Calculate and record depreciation using the methods of: 1. Straight-line, 2. units-of-production 3. double-declining-balance Sigma Corporation, purchased a machine for $50,000 on January 1,2001 , with an estimated useful life of 5 years and a salvage value of $5,000. The machine produced 20,000 units in 2001,15,000 units in 2002,10,000 units in 2003,5,000 units in 2004, and 2,500 units in 2005 . Use only excel to present your answers. Base on Units-of-Production Method. The expense per unit and depreciation expense for Fiscal Year 5 would be. Select the correct amounts respectively. $3.33;$49,950$4.50;$45,000$18.00;$0.00$18.00;$45,000 Base on Units-of-Production Method. The expense per unit and depreciation expense for Fiscal Year 3 would be. Select the correct amounts respectively. $4.50;$45,000$3.33;$49,950$18.00;$45,000$18.00;$0.00 Base on the Double-Declining-Balance Method. What is the calculated Book Value at the beginning of Year 3 $18,000 $9,000 $7,200 $5,000 Base on the Double-Declining-Balance Method. What is the calculated depreciation expense at the beginning of Year 3 $7,200 $9,000 $18,000 $5,000