In 2020, a bulldozer was acquired at a cost of $80,000, plus non-refundable tax and duty of $10,000. Delivery costs amounted to $7,000 and it cost $3,000 to adjust the machine to ready it for use. The bulldozer was expected to have a useful life of 10 years, and have a residual value of $8,000 at that time. It was expected to be run for 18,000 hours over its life. In 2020, it was used for 3,600 hours. Calculate depreciation based on service hours used. Please make sure your final answer(s) are accurate to the nearest whole number.