Question 17 5 pts How much does Joe's utility change? Remember now that g0;c = 5, I = 100 and the government imposes a 20% sales tax on Y. O -30.85 C) 200 O 50 O -60.48 0 78.13 Question 18 5 pts The government realizes that the sales tax has reduced Joe's utility. It decides to provide Joe with a price subsidy on the healthy good x (zucchini). The price subsidy in percent terms (not in dollars) that makes Joe's utility after the introduction of the sales tax equal to his utility before the introduction of the sales tax is O T = 0.762 (76.2 percent) O 7' = 0.654 (65.4percent) O T : 0.689 (68.9percent) O T = 0.497 (49.7percent) O 7' : 0.322 (32.2 percent)