Suppose that you and two friends are going to share a house. You have to decide whether each of you will purchase your own groceries and cook your own meals, or whether you will purchase groceries and...

Suppose that you and two friends are going to share a house. You have to decide whether each of you will purchase your own groceries and cook your own meals, or whether you will purchase groceries and cook meals as a group. What factors might make you more or less likely to choose the group option? Would you be more or less likely to choose it if there were five in the group rather than three?