please answer me the questions, thanks much.

[ Question 13 4 pts To determine the utility maximizing consumption of two products one uses the formula that is called the rule for maximizing utility: O P1/P2=MU1/MU2 which also is stated as MU1/PU1=MU2/P2.. O Explains the Diamond-Water Paradox. O Calculates the utility maximizing consumption of the two goods. O All of the above are correct. O None of the above are correct. Question 16 4 pts Given that Kim can consume a total of 8 tacos and O hamburgers, or 0 tacos and 4 hamburgers for her weekly lunch consumption possibilities; and, the price of a taco is $2.00, then Kim's weekly lunch budget is O $32.00 O $16.00 O $8.00 O $4.00 O $2.00 Question 15 4 pts A family on a trip budgets $1600.00 for restaurant meals and fast food meals. The family can buy 16 restaurant meals if they buy zero fast food meals. What is the price of a restaurant meal for the family? O $10.00 O $16.00 O $32.00 O $100.00 O $1600.00 Question 14 4 pts If the Marginal Utility to Lee of working out in the gym one more day per week, from 5 to 6 days per week, becomes negative, O Lee s better off working out 5 days per week. O Lee is better off working out 6 days per week. O Lee is better off working out 7 days per week. O Lee is better off working out 0 days per week. O Lee should not work out at the gym