11. The mid-quarter convention must be used when the aggregate basis of assets (excluding buildings) acquired during the last 3 months of the year.. a. exceeds 40% of the aggregate basis of assets (excluding buildings purchased during the year. b. is no more than 40% of the aggregate basis of assets (excluding buildings) purchased during the year. c. exceeds 40% of the aggregate basis of assets (excluding buildings) purchased during the first three quarters of the year. d. is no more than 40% of the aggregate basis of assets (excluding buildings) purchased during the first three quarters of the year. 12. The half-year convention generally applies to... a. all assets being depreciated under MACRS. b. assets other than buildings being depreciated under MACRS. c. assets other than passenger autos being depreciated under MACRS. d. assets other than buildings and passenger autos being depreciated under MACRS. 13. The mid-month convention applies to... a. assets purchased during the last 3 months whose aggregate basis exceeds 40% of the aggregate basis of assets purchased during the year. b. assets other than buildings purchased during the last 3 months whose aggregate basis exceeds 40% of the aggregate basis of assets other than buildings purchased during the year. c. buildings. d. buildings and land. 14. In units of production depreciation, the depreciation rate is calculated as ... a. (acquisition cost - residual value)/total estimated units of production. b. (historical cost-salvage value total estimated units produced, labor hours used or miles driven. c. (depreciable base/total estimated units of output. d. any of the above