diff --git a/.idea/vcs.xml b/.idea/vcs.xml
new file mode 100644
index 00000000..35eb1ddf
--- /dev/null
+++ b/.idea/vcs.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="" vcs="Git" />
+  </component>
+</project>
\ No newline at end of file
diff --git a/README.md b/README.md
index 8207214b..6fe20d83 100644
--- a/README.md
+++ b/README.md
@@ -24,38 +24,38 @@ can make pull requests to that repo during the Task 3 activity during the lab.
 During lab, you should not fork directly from https://github.com/CSC207-2024F-UofT/Lab2.
 If you miss the lab and work on this after, you should use this URL though.
 
-- [ ] Make a fork of this repo and clone a local copy (as you did in Lab 1).
+- [x] Make a fork of this repo and clone a local copy (as you did in Lab 1).
   - **Important**: make sure to uncheck the option to only fork the main branch, as the repo
   contains two branches you will use later in this lab.
 
 # TASK 1: Your first branch
 
-- [ ] Create and checkout a new branch called `task_1` using either IntelliJ or the Terminal:
+- [x] Create and checkout a new branch called `task_1` using either IntelliJ or the Terminal:
   - IntelliJ: `Git -> New branch...`
   - Terminal: `git checkout -b task_1`
   - After, you can check `git status` or the Log tab of the Git tool window in IntelliJ to see
   that you are now on the `task_1` branch.
-- [ ] Open the TODO tool window (`View -> Tool Windows -> TODO`) and click on the TASK 1 TODO listed.
-- [ ] Complete the TASK 1 TODO and commit your changes to this file (checking off the
+- [x] Open the TODO tool window (`View -> Tool Windows -> TODO`) and click on the TASK 1 TODO listed.
+- [x] Complete the TASK 1 TODO and commit your changes to this file (checking off the
 completed items so far) and `DataTypes.java` (remove the word TODO and your bug fix).
   - talk to those around you or your TA, then see the hints at the bottom of the readme if you get stuck.
-- [ ] Now, we'll merge the `task_1` branch back into `main`. When merging,
+- [x] Now, we'll merge the `task_1` branch back into `main`. When merging,
 you need to be currently on the branch you are trying to merge into, so we'll first checkout the main
 branch:
   - IntelliJ: `Git -> branches... -> main -> Checkout`
   - Terminal: `git checkout main`
 Note: everything we've done has been local to our repository and have not pushed anything yet.
-- [ ] We are back on `main`, so we can now do the merge and complete our work!
+- [x] We are back on `main`, so we can now do the merge and complete our work!
   - IntelliJ: `Git -> Merge... -> task_1 -> Merge`
   - Terminal: `git merge task_1`
 
 You should now see the changes you had made are also in the `main` branch.
 
-- [ ] Now, we'll want to clean up since we are done with our `task_1` branch.
+- [x] Now, we'll want to clean up since we are done with our `task_1` branch.
   - IntelliJ: `Git -> branches... -> task_1 -> Delete`
   - Terminal: `git branch -d task_1`
 
-- [ ] Last step, we'll push our changes to the remote repository to share our work! (As we did in Lab 1.)
+- [x] Last step, we'll push our changes to the remote repository to share our work! (As we did in Lab 1.)
   - we suggest you check off this last item, commit that change (just right on the main branch is fine;
   no need to branch for this little step), then push your code. Check GitHub to ensure you can
   see your changes.
@@ -76,26 +76,26 @@ started working on the recipe in `recipe.md` together, and then each filled in t
 what they felt would make the most delicious cake!
 You'll notice that your repository already has two branches called `alice` and `bob`.
 
-- [ ] Checkout the `alice` branch.
-- [ ] Attempt to merge the `bob` branch into the `alice` branch using either IntelliJ or the Terminal.
+- [x] Checkout the `alice` branch.
+- [x] Attempt to merge the `bob` branch into the `alice` branch using either IntelliJ or the Terminal.
   - You will be prompted to resolve a merge conflict. To do this, you will need to pick and choose which
   parts of each recipe to keep.
   - Read what either `git` or `IntelliJ` tells you in order to complete the merge process.
     - If you do the merge through the Terminal, you will need to edit `recipe.md` to remove all of the
     merge conflict symbols which `git` has added to your file. Once done, you will need to `git add` the
     `recipe.md` file and `git commit` to finish the merge.
-- [ ] Once the merge is complete, delete the `bob` branch.
+- [x] Once the merge is complete, delete the `bob` branch.
 
-- [ ] Finally, checkout the `main` branch and merge the `alice` branch in (as we did previously).
+- [x] Finally, checkout the `main` branch and merge the `alice` branch in (as we did previously).
 
 Now, you are almost ready to share your recipe with the remote! 
 
 # TASK 3
 
-- [ ] Checkout a new branch called `task_3`.
-- [ ] Commit any changes that you want to `recipe.md` to further improve the recipe.
-- [ ] While still on the `task_3` branch, push your code to your remote repository on GitHub.
-- [ ] Go to GitHub and you will see an option to make a pull request to the original repo. Make
+- [x] Checkout a new branch called `task_3`.
+- [x] Commit any changes that you want to `recipe.md` to further improve the recipe.
+- [x] While still on the `task_3` branch, push your code to your remote repository on GitHub.
+- [x] Go to GitHub and you will see an option to make a pull request to the original repo. Make
   a pull request and see that it shows up in the original repository that you forked.
 
 Since others will also be making pull requests, we won't *actually* accept any of them for now, but
diff --git a/recipe.md b/recipe.md
index a8b51a4d..34b4748c 100644
--- a/recipe.md
+++ b/recipe.md
@@ -4,9 +4,14 @@
 - 2 cups all-purpose flour
 - 1 3/4 cups granulated sugar
 - 3/4 cup unsweetened cocoa powder
-- ...
+- 1 cup chocolate chips
+- 1 tsp vanilla extract
 
 ## Instructions:
 1. Preheat the oven to 350°F (175°C).
-2. In a large bowl, whisk together the flour, sugar, and cocoa powder.
-3. ...
\ No newline at end of file
+2. In a large bowl, whisk together the flour, sugar, cocoa powder, chocolate chips, and vanilla extract.
+
+## Additional Directions:
+- Add a tablespoon of instant coffee to the dry ingredients for a hint of mocha flavor.
+- Mix in a handful of chocolate chunks for extra indulgence.
+- Line the bottom of the baking pan with parchment paper for easy cake removal.
diff --git a/src/DataTypes.java b/src/DataTypes.java
index 4f807c1f..eebcb595 100644
--- a/src/DataTypes.java
+++ b/src/DataTypes.java
@@ -4,7 +4,7 @@ public class DataTypes {
     // TODO TASK 1: fix this code so that it passes the test in DataTypesTest.java
     public static long sum(List<Integer> numbers) {
 
-        int s = 0;
+        long s = 0;
         // below is a "foreach" loop which iterates through numbers
         for (int x : numbers) {
             s += x;
diff --git a/test/DataTypesTest.java b/test/DataTypesTest.java
index 42b9ef96..f523ce2a 100644
--- a/test/DataTypesTest.java
+++ b/test/DataTypesTest.java
@@ -1,5 +1,7 @@
 import org.junit.Test;
 
+import org.junit.Test;
+
 import java.util.ArrayList;
 import java.util.List;
 // place your cursor over junit below and