General Electric Company purchased a machine for $16,000 that has a current market value of $12000 and is expected to have value of $8000 after one year.The machine has a 10-year life and capable of producing 2500 units output per year.

(a) What will be the Economist's measure of depreciation?

(b) What will be the Economist's depreciation cost per unit?

(c) What will be the Accounting measure of depreciation?

(d) What will be the Accounting depreciation cost per unit?