Please help

In the following budget constraint- indifference curve graph, Nikki has $120 to spend on tops and pants. a. What is the price of a top? $ What is the price of a pair of pants? $ b. Is Nikki making the optimum choice if she buys 4 tops and 2 pants? Tops O A. Yes, the indifference curve going through this point is tangent to Nikki's budget constraint. 4-.... O B. No, the indifference curve going through this point is not tangent to Nikki's budget constraint. O C. Yes, this point is on the budget constraint. 1 1 O D. No, the other point of intersection of the indifference curve and the budget constraint is the optimal choice. 2 3 4 5 6 7 8 9 10 Pants