Carol has spent $$2000$ purchasing and repairing an old car, which she expects to sell for $$2400.$ She discovers that she needs an additional repair, which will cost $$400.$ She can sell the car as it is now for $$2000.$ What should she do$?$

Question $16$ options:

She should never sell something for less than it cost$.$

She should sell the car now for $$2000.$

She should complete the repairs and sell the car.

It doesn't matter which action she takes; the outcome is the same either way.