Answer: $618,096
Step-by-step explanation:
Accumulated depreciation after 5 years = 20% + 32% + 19.2% + 11.52
= 82.72%
Value after 4 years = 3,300,000 * ( 1 - 82.72%)
= $570,240
Gain on sale = Salvage value - Net book value
= 650,000 - 570,240
= $79,760
Aftertax salvage value = 650,000 - (Gain on sale * tax)
= 650,000 - (79,760 * 40%)
= $618,096