Equipment with a cost of $147,504 has an estimated residual value of $8,943 and an estimated life of 7 years or 13,832 hour5. It is to be depreciated by the straight-line method. What is the amount of depreciation for the first full year, during which the equipment was used 3,254 hours? a. 57.00 b. $19.794.43 c. $3259670 d. 542.58