A business purchased a machine for $100 000 on 1 April 2014. The expected useful life of the machine is three years with a scrap value of $4000, and the machine has the capacity to produce 100 000 units. Management is considering whether to use the units of activity method, the straight line method, or the reducing balance method at 25% p.a. Calculate the depreciation for the year ended 30 June 2014 using the straight line method.