4. Dora's Fitness Center purchased a new step machine for $8,250. The apparatus is expected to last four years and have a residual value of $750. What will be the depreciation expense for the second year under the straight-line method? O $1,875 O $4,125 O $2,250 O $2,063 Question 5 10 pts 5. A truck is purchased for $35,000. It has a five-year life and a $5,000 residual value. Under the double-declining-balance method, what is the accumulated depreciation after two years? $25,600 $21,200 $22,400 $19,200