Please Help Me!

On January 1, 2013, Betson Company purchased a new machine at cost of 160,000. The company estimated that the machine has a salvage value of 15,000. The machine is expected to be used for 36,250 working hours during its 5-years life. Machine usage were: 7,500 hours in 2013; 7,000 hours in 2014; 8,000 n 2015; 6,500 hours in 2016; and 7,250 hours in 2017. Straight-line. Units-of-activity. Declining-balance using double the straight-line rate