i need help with straight line method and double decline balance

Required information [The following information applies to the questions displayed below.] University Car Wash purchased new soap dispensing equipment that cost $222,000 including installation. The company estimates that the equipment will have a residual value of $21,000. University Car Wash also estimates it will use the machine for six years or about 12.000 total hours. Actual use per year was as follows: 2. Prepare a depreciation schedule for sixyears using the double-declining-balance method. (Do not round your intermediate colculations.)