Viking Range Corporation purchased a machine for $20,000 that has a current market value of $14,000 and is expected to have value of $12,000 after one year.The machine has a 15-year life and capable of producing 3500 units output per year.

(a) What will be the Economist's depreciation cost per unit?(Show all your work)

(b) What will be the Accounting depreciation cost per unit?(Show all your work)