Help Save & Exit Submit Marshall Company purchases a machine for $840,000. The machine has an estimated residual value of $80,000. The company expects the machine to produce four million units. The machine is used to make 620,000 units during the current period. If the units-of-production method is used, the depreciation expense for this periodis: Multiple Choice o 3620,000, o 37,. o 5130, 200, o 3540,0