Required information Ederly Quarry sells a wide variety of cut limestone for residential and commercial building construction. A recent quarry expansion cost $2.1 million and added an estimated 130,000 tons of reserves. Year 1 2 3 4 5 Volume, 1000 Tons 10 9 15 20 18 Price, $ per Ton 75 70 70 76 85 Estimate the cost depletion allowance for the next 5 years, using the projections made by the owner, John Ederly. es The cost depletion allowance for the next 5 years is estimated to be $ 3376