A firm is liquidating a factory. Equipment that originally cost $120,000 is being sold for $12,000 three years after its purchase. The equipment straight-line depreciated across four years. The firm needs to recover $20,00 of net working which was invested initially. Given that the firm's marginal corporate tax rate is 40%, what is the terminal cash flow for this equipment?
A. 7,200
B. 4,800
C.39,200
D. 32,000