On October 1, 2020, Mustard's Last Stand purchases a new sausage-stuffing machine. The cost of the sausage-stuffing machine is $60,000, with an estimated 5-year life, and $15,000 salvage value at the end of its useful life. If Mustard's Last Stand uses straight-line depreciation its net book value of the sausage-stuffing machine as of December 31, 2021, would b [Select ] $48,750 $33,750 $42,000 $45,000 $36,000