On January 1, 2012, AB Ltd buys a truck for $42,000 cash. It has estimated residual value of $2,000, and an estimated lie of 4 years, or 200,000 miles. The truck drove 40,000 miles in 2012, 60,000 miles in 2013, 80,000 miles in 2014, and 20,000 miles in 2015.

Assuming the company uses the units-of production method of depreciation complete the following table and show your computation/workings for the figures shown as the annual depreciation expense.

Assuming the company uses the Double-declining balance method of depreciation complete the following table and show your computation/workings for the figures shown as the annual depreciation expense.

Assuming the company uses the straight-line method of depreciation complete the following table and show your computation/workings for the annual depreciation expense.