Troy Industries purchased a new machine 3 year(s) ago for $80,000. It is being depreciated under MACRS with a 5-year recovery period using the schedule.. Assume 21% ordinary and capital gains tax rates. What is the book value of the machine? b. Calculate the firm's tax liability for each case if it sold the machine for each of the following amounts: $ 100,000, 56,000 , 23,200 and $ 15,000