I have 30 min. to answer this; please help.

Comparing Three Depreciation Methods Dexter Industries purchased packaging equipment on January 8 for $306,600. The equipment was expected to have a useful ife of four years, or 7,600 ogerating houin, and a residusi value of $25,400. The equipment was used for 2,660 hours during Year 1,1,596 heurs in Year 2,2,128 hours in Year 3 , and 1,216 hour in Year 4, Required: 1. Determine the amount of depreciation expense for the three years ending December 31 by (a) the straight-tine meihod, (b) the unta-of aciuity method, and (c) the double-decining-balance method. Also determine the total depreciation expense for the four years by each method. Round the answer for each year to the nearest whole dollar. 2. What method ylelds the highest depreciation expense for resr or 3. What method yields the most depreciation over the three-year life of the equipment