a. Estimates are revised when new information surfaces ACER Travels purchased equipment on January 1, 2012 for OMR 40,000 cash and estimated salvage value was OMR 4,000. The equipment has an estimated useful life of 6 years and uses straight-line method of depreciation i. Calculate the depreciation amount per year? (4 Marks) On January 1, 2015, after three years of depreciation, it was determined that the equipment has a useful life of 8 (Eight) years. ii. Calculate revised depreciation amount per year? (6 Marks) (Total 10 marks) b. In the contemporary business world, a firm has to adopt any one approach or progressively move from one approach to another approach to have sustainable strategy to exist in this competitive world. In this context : You are required to Explain any two approaches of Social Responsibility Accounting? With appropriate examples