A. miguel corp. purchased equipment with an invoice cost of $446000. they paid $22300 in sales tax and $1 to a specialist who installed and tested the machine. what will miguel record as the acquisition cost of the machine? b. four years later, after recoding depreciation for the year, the net book value of the machine was $245620. the machine was nearing obsolesence due to recent technology breakthroughs. miguel estimated the future cash flows from the machine to be $142720. a local dealer offered to buy the machine for $98120. what amount should miguel record as an impairment loss?