Depprecation by Three Methods; Partlal Years 1,500 hours in Yoar 3 , and 760 hours in Year 4. Required: Nate: FOR DECLINING BALANCE ONLY, round the multiplier to four decimal places, Then pound the answer for each year to the nearest whoie dollar. a. Straight-line method b. Units-of-activity method c. Dauble-declining-belance method