Two On 1 April 2017, Simkaf Limited purchased a generator for N500,000. The generator has an estimated useful life of five years with a salvage value of N100,000. Given that the accounting year end is 31 December each year and the generator was sold for N250,000 on 31 December 2018. a) Calculate the accumulated depreciation on the generator as at 31 December 2018, using the straight line method. b) Calculate the gain or loss on disposal