Firm J purchased a depreciable business asset for $72,000. Assuming the firm uses the half-year convention, compute its first-year MACRS depreciation if the asset is: Use Table 7-1 and Table 7-2. Required: a. A land irrigation system. b. Duplicating equipment. C. An oceangoing barge. d. Small manufacturing tools. (For all requirements, round your answers to the nearest whole dollar amount.) MACRS Depreciation a. A land irrigation system b. Duplicating equipment c. An oceangoing barge d. Small manufacturing tools