An advanced engineering computer was purchased for $\$ 22,750$ and its expected life is 4 years. It is estimated the company could sell the computer for $\$ 500$ after 5 years. Compute and compare the book value of the computer using straight-line and MACRS depreciation for a 5year life. If the computer sold for $\$ 10,000$ in year 2 , what would be the gain or loss?