Muddy Meadows Earthmoving can purchase a bulldozer for $80,000. After 7 years of use the bulldozer should have a salvage value of $15000. What depreciation is allowed for this asset in year 5 for:
a) MACRS depreciation?
b) straight-line depreciation?
c) sum-of-the-years' -digits (SOYD) depreciation?
d) 150% declining balance depreciation?