Assignment - 20 points (2 points for each year) Crosby Company purchased a new plant asset on April 1, 2012, at a cost of $1,230,660. It was estimated to have an economic life of 20 years and a residual value of $95,400. Crosby's accounting period is the calendar year. It is estimated that the useful life of the assets is 100,000 hours. The asset was used 10,000 hours in 2012 and 7,000 hours in 2013. Compute depreciation expense for 2012 and 2013 using the following methods. Show all of your work. Straight Line: I Double Declining: 150% Declining Balance: Focu MacBook Air