The Doodad Company purchases a machine for $400,000. The machine has an estimated residual value of $20,000. The company expects the machine to produce two million units. The machine is used to make 400,000 units during the current period. If the units-of-production method Is used, the depreciation rate is: $0.95 per unit. $1.00 per unit. $0.19 per unit. $0.05 per unit