Ayayai Mining Company purchased land on February 1, 2020, at a cost of $1,038,200. It estimated that a total of 57,900 tons of mineral was available for mining. After it has removed all the natural resources, the company will be required to restore the property to its previous state because of strict environmental protection laws. It estimates the fair value of this restoration obligation at $111,600. It believes it will be able to sell the property afterwards for $124,000. It incurred developmental costs of $248,000 before it was able to do any mining. In 2020, resources removed totaled 28,950 tons. The company sold 21,230 tons. Compute the following information for 2020.
(a) Per unit mineral cost $
(b) Total material cost of December 31, 2020, inventory $
(c) Total material cost in cost of goods sold at December 31, 2020 $

per unit mineral cost = $ 22 per ton

Total material cost of December 31, 2020, inventory= $ 169,840

Total material cost in cost of goods sold at Dec 31,2020= $ 467,060

Explanation:

Details on the property                Amount

Add:

Purchase cost                            $ 1,038,200

Restoration cost                              $  111,600

Development cost                           $  248,000

Deduct:

Sales value on the property             $124,000

Total material cost                           $1,273,800

Given that 57,900 tons are mined

a)

Per unit mineral cost = 1,273,800/57,900 = $ 22 per ton

b) Total material cost of December 31, 2020, inventory

Ending Minerals in inventory at Dec 31st 2020  = Tonnes mined – tonnes sold  = 28,950-21,230 = 7, 720

therefore, total material cost of inventory = 7,720 x 22 = $ 169,840

Total material cost in cost of goods sold at Dec 31,2020

cost per ton  = $22

goods sold = 21,230

therefore total material cost of goods sold = $22 x 21,230  = $ 467,060

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