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Data for machine: cost 90000; revenue 29000; cash expense 11000; useful life 8 yrs; trade in end of useful life 3000 ; required return 12%. The present value of cost of machine is? $77,691 $87,000 $80,370 $90,000 Data for machine: cost 90000; revenue 29000; cash expense 11000; useful life 8 yrs; trade in end of useful life 3000 ; required return 12%. The present value cash inflows is? $7,272 $18,000 $89,424 $144,072 Data for machine: cost 90000 ; revenue 29000; cash expense 11000 ; useful life 8 yrs; trade in end of useful life 3000 ; required return 12%. The present value of the trade in is? $1,212 $1,512 $3,000 $14,904