Stan buys a 1966 Mustang, which he plans to restore and sell. He anticipates that the cost of the car and the repairs will be $10,000 and that he can sell it for $13,000. When he has spent $10,000, he discovers he needs to replace the engine, which will cost $4,000. He can sell the car without the new engine for $9,000. Stan should
A.
complete the repairs and sell the car for $13,000.
B.
cut his losses and sell the car now for $9, 000.
C.
never try such an expensive project again.
D.
be totally indifferent between finishing the project and selling the car now.