Read the following context and choose the best option to answer the question.
Context: So the big top secret baking project : BANANA BUTTERSCOTCH CUPCAKES . It was a secret because I was making them for said friends ' b - day . The recipe is the first one I ' ve tried from this cookbook : And I would type it out here but I do n't want to get sued for copyright infringement or anything ( though I do know a good lawyer ... ) . I looked around online and it is very similar to this one .
Question: What did I had to do before the project ?
Options: 
- I had to sell cupcakes .
 - I had to buy cupcakes .
 - None of the above choices .
 - I had to buy flour and eggs .


I had to buy flour and eggs .