Intra-Spect Mining Co. acquired mineral rights for $76,000,000. The mineral deposit is estimated at 80,000,000 tons. Durino the current year. 16,800,000 tons were mined and sold. a. Determine the depletion rate. If required, round your answer to two decimal places. per ton b. Determine the amount of depletion expense for the current year. c. Joumalize the adjusting entry on December 31 to recoonize the depletion expense. If an amount box does not require an entry, leave it blank. December 31