on january 1, busy beaver, inc., signed a $315,000, 5-year note payable to buy a new industrial veneer cutter. busy beaver plans to use the machine for 10 years and then sell it for its scrap value of $5,000. using straight-line depreciation, depreciation expense for the 1st year ended december 31 equals . multiple choice question. $284,000 $31,000 $283,500 $31,500