Calculate depreciation under alternative methods. (LO 2)

Avery Corporation bought a new piece of equipment at the beginning of the year at a cost of \(\$ 15,400\). The estimated useful life of the machine is 5 years, and its estimated productivity is 75,000 units. Its salvage value is estimated to be \(\$ 400\). Yearly production was: Year 1-15,000 units; Year 2-18,750 units; Year 3-11,250 units; Year 4-22,500 units; and Year 5-7,500 units. Complete a separate depreciation schedule for each of the three methods given for all 5 years. (Round your answers to the nearest dollar.)

a. Straight-line method

b. Activity method

c. Double-declining balance method