A. Straight line

B. Units-of-production

C. Double-declining balance

at the beginning of the year at a cost of $760,000. The estimated residuai value was $05,000 Assume that the estimated usetut ate was tive Strong Metals inc years, and the estimated productive life of the machine was 270,000 units. Actual annual production was as tollows 177.000 2 68,000 3 30,000 4 60,000 5 35.000 At