i need help solving part b please!

Question On January 1, 2015, a machine was purchased for $99,000. The machine has an estimated salvage value of $6,600 and an estimated useful life of 5 years. The machine can operate for 110,000 hours before it needs to be replaced. The company closed its books on December 31 and operates the machine as follows: 2015, 22,000 hrs; 2016, 27,500 hrs; 2017, 16,500 hrs; 2018, 33,000 hrs; and 2019, 11,000 hrs. (a) Your answer is correct. Compute the annual depreciation charges over the machine's life assuming a December 31 year-end for each of the following depreciation methods (Round answers to O decimal places, e.g. 45,892., (1) Straight-line Method 18480 (2) Activity Method Year 2015 18480 2016 23100 2017 13860 2018 27720 2019 9240