Use the Following to Answer Question

Multiple Choice

Use the following to answer question:
Table 12.18
-(Table 12.18) The payoffs represent profits measured in thousands of dollars. In this infinitely repeated game, the two schools agree to cooperate and not offer financial aid. Each school follows a grim trigger strategy. At what value of d is the Motor City Art School indifferent between upholding and cheating on the agreement?

A) 0.5
B) 0.7
C) 0.75
D) 0.9