Current Attempt in Progress A machine with a cost of $480000 has an estimated salvage value of $20000 and an estimated useful life of 5 years or 1000 hours It is to be depreciated using the units-of-activity method of depreciation. Whatis the amount of depreciation to the second full year, during which the machine was used 5000 hours $92000 $220000 $240000 O $230000 Equipment with a cost of $394000 has an estimated salvage value of $30000 and an estimated life of years ar 13000 hours. It isto be depreciated using the units-of-activity method. What is the amount of depreciation for the first full year during which the equipment was used 3400 hours? $133800 $120000 $95200 SO100 Current Attempt in Progress On January 1, a machine with a useful life of five years and a residual value of $29800 was purchased for $91000 What is the depreciation expense for year 2 under the double-declining-balance method of depreciation $29200 $21840 $11920 O $36400