diff --git a/config.json b/config.json
index a0edc78a820..7fa1993db74 100644
--- a/config.json
+++ b/config.json
@@ -1,4 +1,4 @@
 {
   "logLevel" : "INFO",
   "userPrefsFilePath" : "preferences.json"
-}
+}
\ No newline at end of file
diff --git a/data/fastTrack.json b/data/fastTrack.json
new file mode 100644
index 00000000000..5f6ca740b9a
--- /dev/null
+++ b/data/fastTrack.json
@@ -0,0 +1,63 @@
+{
+  "categories" : [ {
+    "categoryName" : "Food",
+    "summary" : "For food"
+  }, {
+    "categoryName" : "Entertainment",
+    "summary" : "For entertainment"
+  }, {
+    "categoryName" : "Transportation",
+    "summary" : "For bus, car, train"
+  }, {
+    "categoryName" : "Shopping",
+    "summary" : ""
+  }, {
+    "categoryName" : "Housing",
+    "summary" : ""
+  } ],
+  "expenses" : [ {
+    "name" : "Meal at JE",
+    "amount" : "4.5",
+    "date" : "2023-04-10",
+    "category" : {
+      "categoryName" : "Food",
+      "summary" : "For food"
+    }
+  }, {
+    "name" : "Groceries",
+    "amount" : "56.3",
+    "date" : "2023-03-25",
+    "category" : {
+      "categoryName" : "Food",
+      "summary" : "For food"
+    }
+  }, {
+    "name" : "Shoes",
+    "amount" : "75.0",
+    "date" : "2023-03-20",
+    "category" : {
+      "categoryName" : "Shopping",
+      "summary" : ""
+    }
+  }, {
+    "name" : "Movie ticket",
+    "amount" : "12.99",
+    "date" : "2023-03-15",
+    "category" : {
+      "categoryName" : "Entertainment",
+      "summary" : "For entertainment"
+    }
+  }, {
+    "name" : "MRT fare",
+    "amount" : "45.8",
+    "date" : "2023-03-10",
+    "category" : {
+      "categoryName" : "Transportation",
+      "summary" : "For bus, car, train"
+    }
+  } ],
+  "budget" : {
+    "amount" : "0.0"
+  },
+  "recurringGenerators" : [ ]
+}
\ No newline at end of file
diff --git a/docs/diagrams/ParserClasses.puml b/docs/diagrams/ParserClasses.puml
index 0c7424de6e0..09fbe9bee88 100644
--- a/docs/diagrams/ParserClasses.puml
+++ b/docs/diagrams/ParserClasses.puml
@@ -9,7 +9,7 @@ Class XYZCommand
 
 package "Parser classes"{
 Class "<<interface>>\nParser" as Parser
-Class AddressBookParser
+Class ExpenseTrackerParser
 Class XYZCommandParser
 Class CliSyntax
 Class ParserUtil
@@ -19,12 +19,12 @@ Class Prefix
 }
 
 Class HiddenOutside #FFFFFF
-HiddenOutside ..> AddressBookParser
+HiddenOutside ..> ExpenseTrackerParser
 
-AddressBookParser .down.> XYZCommandParser: creates >
+ExpenseTrackerParser .down.> XYZCommandParser: creates >
 
 XYZCommandParser ..> XYZCommand : creates >
-AddressBookParser ..> Command : returns >
+ExpenseTrackerParser ..> Command : returns >
 XYZCommandParser .up.|> Parser
 XYZCommandParser ..> ArgumentMultimap
 XYZCommandParser ..> ArgumentTokenizer
diff --git a/docs/images/ArchitectureDiagram.png b/docs/images/ArchitectureDiagram.png
index 86c60246ccb..74bdb501671 100644
Binary files a/docs/images/ArchitectureDiagram.png and b/docs/images/ArchitectureDiagram.png differ
diff --git a/docs/images/ArchitectureSequenceDiagram.png b/docs/images/ArchitectureSequenceDiagram.png
index 2f1346869d0..c1ed26b45ea 100644
Binary files a/docs/images/ArchitectureSequenceDiagram.png and b/docs/images/ArchitectureSequenceDiagram.png differ
diff --git a/docs/images/ComponentManagers.png b/docs/images/ComponentManagers.png
index b5764ff9273..b345322362b 100644
Binary files a/docs/images/ComponentManagers.png and b/docs/images/ComponentManagers.png differ
diff --git a/docs/images/DeleteSequenceDiagram.png b/docs/images/DeleteSequenceDiagram.png
index fa327b39618..aedc85399b3 100644
Binary files a/docs/images/DeleteSequenceDiagram.png and b/docs/images/DeleteSequenceDiagram.png differ
diff --git a/docs/images/LogicClassDiagram.png b/docs/images/LogicClassDiagram.png
index 9e9ba9f79e5..1371203e3bd 100644
Binary files a/docs/images/LogicClassDiagram.png and b/docs/images/LogicClassDiagram.png differ
diff --git a/docs/images/ModelClassDiagram.png b/docs/images/ModelClassDiagram.png
index 04070af60d8..b40862a292a 100644
Binary files a/docs/images/ModelClassDiagram.png and b/docs/images/ModelClassDiagram.png differ
diff --git a/docs/images/ParserClasses.png b/docs/images/ParserClasses.png
index e7b4c8880cd..17b35e322f5 100644
Binary files a/docs/images/ParserClasses.png and b/docs/images/ParserClasses.png differ
diff --git a/docs/images/StorageClassDiagram.png b/docs/images/StorageClassDiagram.png
index 2533a5c1af0..de673b8ae5e 100644
Binary files a/docs/images/StorageClassDiagram.png and b/docs/images/StorageClassDiagram.png differ
diff --git a/docs/images/UiClassDiagram.png b/docs/images/UiClassDiagram.png
index 785e04dbab4..52527f26cd4 100644
Binary files a/docs/images/UiClassDiagram.png and b/docs/images/UiClassDiagram.png differ
diff --git a/docs/team/randallnhr.md b/docs/team/randallnhr.md
index f14b10f43c4..a9909ee50f4 100644
--- a/docs/team/randallnhr.md
+++ b/docs/team/randallnhr.md
@@ -16,7 +16,8 @@ The following [link](https://nus-cs2103-ay2223s2.github.io/tp-dashboard/?search=
 #### **Enhancements implemented:**
 * Implemented commands for `Category`
   * `addcat` - allows users of FastTrack to add a new `Category` into FastTrack.
-  * `delcat` - allows users to delete an existing `Category` in FastTrack. Expenses with the deleted category will have its category replaced with the `MiscellaneuosCategory`.
+  * `delcat` - allows users to delete an existing `Category` in FastTrack. 
+    * Expenses with the deleted category will have its category replaced with the `MiscellaneuosCategory`.
   * `lcat` - allows users to list all added `Category`, used to determine index for edit and delete category commands.
 * Implemented `delcat` command and parser. (PR)
   * What it does: This feature allows users to delete an existing `Category` in FastTrack. Expenses with the deleted category will have its category replaced with the `MiscellaneuosCategory`.
@@ -29,9 +30,10 @@ The following [link](https://nus-cs2103-ay2223s2.github.io/tp-dashboard/?search=
 * Implemented commands for `RecurringExpenseManager`
   * `addrec` - allows users to add `RecurringExpenseManager` objects into FastTrack
   * `delrec` - allows users to delete a `RecurringExpenseManager` object.
-  * 
+* Implemented `CLEAR` command to allow users to clear all existing data at ease. 
 
-#### **Contributions to the UG:** to be added soon
+#### **Contributions to the UG:**
+* Added comm
 
 #### **Contributions to the DG:** to be added soon
 
diff --git a/fasttrack.log.0 b/fasttrack.log.0
new file mode 100644
index 00000000000..f97ce9bd472
--- /dev/null
+++ b/fasttrack.log.0
@@ -0,0 +1,36 @@
+Apr 10, 2023 10:00:51 PM fasttrack.MainApp init
+INFO: =============================[ Initializing ExpenseTracker ]===========================
+Apr 10, 2023 10:00:51 PM fasttrack.MainApp initConfig
+INFO: Using config file : config.json
+Apr 10, 2023 10:00:51 PM fasttrack.MainApp initPrefs
+INFO: Using prefs file : preferences.json
+Apr 10, 2023 10:00:51 PM fasttrack.commons.core.LogsCenter init
+INFO: currentLogLevel: INFO
+Apr 10, 2023 10:00:51 PM fasttrack.commons.util.JsonUtil readJsonFile
+INFO: Json file data\fastTrack.json not found
+Apr 10, 2023 10:00:51 PM fasttrack.MainApp initModelManager
+INFO: Data file not found. Will be starting with a sample ExpenseTracker
+Apr 10, 2023 10:00:51 PM fasttrack.MainApp initModelManager
+INFO: fine
+Apr 10, 2023 10:00:51 PM fasttrack.MainApp start
+INFO: Starting ExpenseTracker V1.3.1ea
+Apr 10, 2023 10:00:51 PM fasttrack.ui.UiManager start
+INFO: Starting UI...
+Apr 10, 2023 10:01:10 PM fasttrack.MainApp stop
+INFO: ============================ [ Stopping Expense Tracker ] =============================
+Apr 10, 2023 10:01:18 PM fasttrack.MainApp init
+INFO: =============================[ Initializing ExpenseTracker ]===========================
+Apr 10, 2023 10:01:18 PM fasttrack.MainApp initConfig
+INFO: Using config file : config.json
+Apr 10, 2023 10:01:18 PM fasttrack.MainApp initPrefs
+INFO: Using prefs file : preferences.json
+Apr 10, 2023 10:01:18 PM fasttrack.commons.core.LogsCenter init
+INFO: currentLogLevel: INFO
+Apr 10, 2023 10:01:18 PM fasttrack.MainApp initModelManager
+INFO: fine
+Apr 10, 2023 10:01:18 PM fasttrack.MainApp start
+INFO: Starting ExpenseTracker V1.3.1ea
+Apr 10, 2023 10:01:18 PM fasttrack.ui.UiManager start
+INFO: Starting UI...
+Apr 10, 2023 10:01:23 PM fasttrack.MainApp stop
+INFO: ============================ [ Stopping Expense Tracker ] =============================
diff --git a/preferences.json b/preferences.json
index 87783242742..77091f17cda 100644
--- a/preferences.json
+++ b/preferences.json
@@ -4,8 +4,8 @@
     "windowHeight" : 700.0,
     "windowCoordinates" : {
       "x" : 214,
-      "y" : 114
+      "y" : 84
     }
   },
-  "expenseTrackerFilePath" : "data/fastTrack.json"
-}
+  "expenseTrackerFilePath" : "data\\fastTrack.json"
+}
\ No newline at end of file