Every week Kate does gymnastics for three hours and her grad

Every week, Kate does gymnastics for three hours, and her grade on each French test is 85 percent. Last week, after working out for three hours, Kate considered working out for another hour. She decided to work out for another hour and cut her study time by one hour But last week, her French grade fell to 70 percent. A. Kate made her decision at the margin because she considered the benefit and cost of one additional hour of gymnastics. Kate\'s decision was made at the margin because her grade fell by only 15 percentage points. C. O B. Kate\'s decision was not made at the margin because she could have chosen not to do gymnastics but didnt. O D. Kate\'s decision was not made at the margin because she didn\'t compare the total beneft and total cost of a third hour of gymnastics. O E. Kate\'s decision was not made at the margin because the marginal cost of a lower grade always exceeds its marginal benefit 1) Option D is correct. Inside the PPF and on the PPp 2) Option C is correct. Point A, B, C, D and E

Solution

option a is the answer

kate made his decision at the margin because he considered the benefit and cost of one additional hour of gymnastics

reason: kate does gymnastics for three hours, and his grade on each math test is 85 percent. Last week, after working out for two hours, kate considered working out for another hour. He decided to work out for another hour and cut his study time by one hour. But last week, his math grade fell to 70 percent. for this he will take decison