You spent $$500$ last week fixing the transmission in your car. Now, the brakes are acting up and you are trying to decide whether to fix them or trade the car in for a newer model. In analyzing the brake situation, the $$500$ you spent fixing the transmission is a$($n$)\_\_\_\_\_\_\_\_$ cost$.$

Question $6$ options:

A$)$

opportunity

B$)$

fixed

C$)$

incremental

D$)$

sunk

E$)$

relevant