A company purchases a machine for $302,400 on January 1. It has an estimed residu value of $14,400 and an estimated useful life of 14,400 hours. The machine was used as follows: Year 1 Year 2 Year 3 Year 4 3,000 hours 3,900 hours 4,200 hours 4,600 hours Determine the amount of depreciation expense for the FOURTH year. $ X