the problem 5 ) The scrap value of a machine is the value of the machine at the end of its useful life , One method of calculating the scrap value is given by s - C ( 1 - In where C is the original cost n is the useful life of the machine in years , and it is the constant annual percentage of value lost Find the scrap value for a machine that meets the following criteria Original cost $125 000 useful life , 7 years annual rate of value logs , 906 . A ) SIR , 379: 28 13 ) $228 504 89 C ) $241 891. 31 D ) $64 595 13