On January 1, 2012, a company buys a truck for $42,000 cash. It has estimated residual value of $2,000, and an estimated life of 4 years, or 200,000 miles. Assume the company uses units-of-production depreciation. The truck drove 40,000 miles in 2012, 60,000 miles in 2013, 80,000 miles in 2014, and 20,000 miles in 2015. Please complete the depreciation schedule