Please step by step and clear solution.

Please answer with by-hand computations, not excel. Thanks!

4) A company purchased a machine for $15,000. It paid shipping costs of $1,000 and nonrecurring installation costs amounting to $1,200. (a) What is the total investment cost for this machine? (b) At the end of 3 years, the company had no further use for the machine, so it spent $500 to have the machine dismantled and was able to sell the machine for $1,500. The company had depreciated the machine on a straight-line basis, using an estimated life of 5 years and $1,000 salvage value at the end of its life. By what amount did the recovered depreciation fail to cover the actual depreciation