Shale Miner Co. acquired mineral rights for $60,000,000. It is estimated that there are 80,000 total tons of the resource, and during the current year 10,750 tons were mined and sold. What information is needed to calculate the rate of depletion?

a.$60,000,000 and 10,750 tons

b.$500 per ton

c.$60,000,000, 10,750 tons, and 80,000 tons

d.$60,000,000 and 80,000 tons