Feller Company purchased a site for a limestone quarry for $100,000 on January 2, 2019. It estimates that the quarry will yield 400,000 tons of limestone. It estimates that its retirement obligation has a fair value of $20,000, after which the land could be sold for $10,000. In 2019, 80,000 tons were quarried and 60,000 tons sold. Costs of production (excluding depletion) are $4 per ton.

Required:

1. Compute the depletion cost per ton. Round your answer to three decimal places. $ fill in the blank 1 per ton
2. Compute the total cost of the inventory at December 31, 2019. $ fill in the blank 2
3. Compute the total cost of goods sold for 2019.