Equipment with a cost of $153,690 has an estimated residual value of $7,141 and an estimated life of 4 years or 15,067 hours. It is to be depreciated by the straight-line method. What is the amount of depreciation for the first full year, during which the equipment was used 3,422 hours?

a.$33,284.04

b.$4.00

c.$42.83

d.$36,637.25