Table 6-4 Quantity of Jeans Total Utility 0 0 1 42 2 58 3 72 4 78 Refer to Table 6-4. The table gives Amelia's total utility from purchasing pairs of jeans. What is her marginal utility from the third pair? O a. 5 O b. 22 O c.4 O d. 14Table 6-3 Chocolate Bars Chocolate Bars Hot Hot Chocolate Quantity Total Utility Chocolate Total Utility Quantity 0 c- :u 0 1 15 ' 3-. Refer to Table 63. The table shows Nymei'ia's total utility from each chocolate bar and cup of hot chocolate that she consumes. If Nymeria increases her consumption of hot chocolates from two to three, what is her marginal utility from the third hot chocolate? Figure 7-4 $100 ITTTTT Cost per Unit (dollars) T A 1 2 3 4 5 6 7 8 9 10 Quantity of Output Refer to Figure 7-4. Which is the marginal cost curve? O a. the curve labelled C O b. the curve labelled A O c. the curve labelled B O d. the curve labelled D