Answer:
a. Determine the amount of depletion expense for the current year.
$39,780,000
b. Journalize the adjusting entry on December 31 to recognize the depletion expense.
Dr Depletion expense 39,780,000
Cr Accumulated depletion: Mine 39,780,000
Step-by-step explanation:
depletion expense per ton mined = $153,000,000 / 90,000,000 = $1.70 per ton
depletion expense for current year = $1.70 x 23,400,000 = $39,780,000
Depletion expense is similar to depreciation expense since the carrying value of the asset decreases as minerals are being mined.