calculate the proper anount of depreciation to record for the year ended december 31, 2020

2. An automobile was purchased on January 1,2018 at a cost of $30,000. The auto was expected to have a service life of 90,000 miles, with no salvage value at the end of it's life. Actual miles driven by the automobile totaled 15,000 miles in 2018,30,000 miles in 2019, and 20,000 miles in 2020. Comix uses the units of production (activity) method to record depreciation on this asset