RequiredIgnore income taxes.a. Assume for this part that PCU accounts for the equipment using acquisition cost adjusted for depreciation and impairment losses. Using the analytical framework discussed in the chapter indicate the effects of the following events on the balance sheet and income statement.(1) Acquisition of the equipment for cash on January 1 2009.(2) Depreciation for 2009.(3) Impairment loss for 2009.(4) Depreciation for 2010.(5) Depreciation for 2011.(6) Sale of the equipment on January 1 2012.b. Assume that PCU accounts for the equipment using current fair market values adjusted for depreciation and impairment losses (with changes in fair market values recognized in net income). Using the analytical framework discussed in the chapter indicate the effect of the following events on the balance sheet and income statement.(1) Acquisition of the equipment for cash on January 1 2009.(2) Depreciation for 2009.(3) Impairment loss for 2009.(4) Depreciation for 2010.(5) Recognition of unrealized holding gain or loss for 2010.(6) Depreciation for 2011.(7) Recognition of unrealized holding gain or loss for 2011.(8) Sale of the equipment on January 1 2012.c. After the equipment is sold why is retained earnings on January 1 2012 equal to a negative $74000 in both cases despite having shown a different pattern of expenses gains and losses over time?