Pronghorn Mining Company purchased land on February 1, 2020, at a cost of $856,800. It estimated that a total of 53,100 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 $97,200. It believes it will be able to sell the property afterwards for $108,000. It incurred developmental costs of $216,000 before it was able to do any mining. In 2020, resources removed totaled 26,550 tons. The company sold 19,470 tons.
Compute the following information for 2020:
(a) Per unit mineral cost.
(b) Total material cost of December 31, 2020, inventory
(c) Total materials cost in cost of goods sold at December 31, 2020.

Salge inc. bases its manufacturing overhead budget on budgeted direct labor-hours. the variable overhead rate is $8.10 per direct labor-hour. the company's budgeted fixed manufacturing overhead is $74,730 per month, which includes depreciation of $20,670. all other fixed manufacturing overhead costs represent current cash flows. the direct labor budget indicates that 5,300 direct labor-hours will be required in september. the company recomputes its predetermined overhead rate every month. the predetermined overhead rate for september should be:

Exercise 4-9presented below is information related to martinez corp. for the year 2017.net sales $1,399,500 write-off of inventory due to obsolescence $80,440cost of goods sold 788,200 depreciation expense omitted by accident in 2016 43,600selling expenses 65,800 casualty loss 53,900administrative expenses 53,500 cash dividends declared 43,300dividend revenue 22,100 retained earnings at december 31, 2016 1,042,400interest revenue 7,420 effective tax rate of 34% on all items exercise 4-9 presented below is information relateexercise 4-9 presented below is information relate prepare a multiple-step income statement for 2017. assume that 61,500 shares of common stock are outstanding. (round earnings per share to 2 decimal places, e.g. 1.49.)prepare a separate retained earnings statement for 2017. (list items that increase retained earnings first.)

Moody corporation uses a job-order costing system with a plantwide predetermined overhead rate based on machine-hours. at the beginning of the year, the company made the following estimates: machine-hours required to support estimated production 100,000 fixed manufacturing overhead cost $ 650,000 variable manufacturing overhead cost per machine-hour $ 3.00 required: 1. compute the plantwide predetermined overhead rate. 2. during the year, job 400 was started and completed. the following information was available with respect to this job: direct materials $ 450 direct labor cost $ 210 machine-hours used 40