Crane Company invests $6.01 million in a mine that is estimated to have 8 million tonnes of ore and a $250000 residual value. In the first year, 23400 tonnes are extracted but only 7700 tonnes are sold. How much is the depletion amount per tonne? O $0.75 per tonne O $0.38 per tanne O $0.72 per tonne • $1.28 per tonne