Qty of Tacos Marginal Utility/Taco Qty of Music Downloads Marginal Utility Music

1 10 1 8

2 8 2 6

3 6 3 4

4 4 4 2

5 2 5 1

a.Laura consumes both tacos and music downloads. The table above shows her marginal utility from these. What is her total utility from purchasing four music downloads?

b.Now assume Laura's weekly income is $12, the price of taco is $2, and the price of music downloads is $1. What is the utility maximization quantity of tacos and music downloads if she spends her entire $12 on these two goods?