Required 1. Compute the depletion charge per ton.2. Compute the depletion expense that Fuentez mining should record for the year.3. Determine the depreciation expense for the year for the buildings making it proportional to the depletion. 4. Determine the depreciation expense for the year for the equipment under two alternatives:(a) Making the expense proportional to the depletion and (b) Using the straight line method.5. Suppose the company mined and sold 2000000 tons of ore (instead of 1600000) during the first year. Would the change in the results in requirement 2 or 3 affect earnings or cash flows? Explain.