a. Determine the depletion rate.
b. Determine the amount of depletion expense for the current year.
c. Journalize the adjusting entry on December 31 to recognize the depletion expense.
Answer:
a. $1.04 per ton = $494,000,000 ÷ 475,000,000 tons
b. $32,760,000 = 31,500,000 tons × $1.04 per ton

c.
Dec. 31 Depletion Expense 32,760,000
Accumulated Depletion 32,760,000
Depletion of mineral deposit.