You Purchase a Bag of Chocolate Chips for $3, a Bag

Multiple Choice

You purchase a bag of chocolate chips for $3, a bag of flour for $3, a bag of sugar for $2.00, a half dozen eggs for $1.50, and a half pound of butter for $2.50. You use all these ingredients to make three dozen cookies. Your roommate offers you $15 for the freshly-baked cookies, and you happily accept. How much does this process contribute to GDP?

A) $12
B) $15
C) $22
D) $8