Question 11 3 pts Which of the following statements is true? P 5+ T S Ez P. D Bi C P - T A Q Q 2 O Pre-tax PS = Area A + B2 + C Post-tax PS = A + B1 + B2 Post-tax CS = 0. O DWL = C Post-tax PS = B1 O DWL = B1Question 12 1 pts Sara, a peer-tutor, can help only three students at a time. Sara makes appointments with five students for each tutoring slot, anticipating a high proportion of no-shows. On the night before the final exam all five students show up for a 7:00 am appointment. Their respective arrival times and the maximum amounts each would be willing to pay to avoid not being able to get help for homework are as given in the table. Arrival Time Reservation Price ($) Amy 6:30 am 5 Jeff 6:35 am 8 Amanda 6:40 am 6 Lynn 6:50 am 11 Mike 6:55 am 12 Assume Sara's MC =0 and she provides free tutoring to the students. If Sara operates on a first come, first served basis, what will the consumer's surplus for that day? O $11 O Minus $4 O $19 O $42