The following table shows Ketta's total utility for coffee and croissants. Table 5.16 Quantity Coffee Total Utility Croissants Total Utility 1 10 11 2 18 20 3 24 27 4 28 32 5 30 35 Refer to Table 5.16 to answer this question. If Ketta has a budget of $15 and the price of both coffees and croissants are EACH $3, what will be her optimal purchase? Question 10Select one: A. 1 coffee and 4 croissants. B. 5 croissants. C. 2 coffees and 3 croissants. D. 3 coffees and 2 croissants. E. 4 coffees and 1 croissant