Costs incurred for 2020 are as follows (V stands for variable; F stands for fixed):

Direct materials used	$144,500 V
Direct manufacturing labor costs	$23,000 V
Plant energy costs	$7,000 V
Indirect manufacturing labor costs	$16,000 V
Indirect manufacturing labor costs	$17,000 F
Other indirect manufacturing costs	$8,500 V
Other indirect manufacturing costs	$22,000 F
Marketing, distribution, and customer-service costs	$130,000 V
Marketing, distribution, and customer-service costs	$48,000 F
Administrative costs	$56,000 F

Variable manufacturing costs are variable with respect to units produced. Variable marketing, distribution, and customer-service costs are variable with respect to units sold.

nventory data are:

	Beginning:	Ending:
	January 1, 2020	December 31, 2020
Direct materials	0 lb	2,300 lbs
Work in process	0 units	0 units
Finished goods	0 units	? units

Production in 2020 was 106,250 units. Two pounds of direct materials are used to make one unit of finished product.pop-up content ends Revenues in 2020 were $481,250. The selling price per unit and the purchase price per pound of direct materials were stable throughout the year. The company's ending inventory of finished goods is carried at the average unit manufacturing cost for 2020. Finished-goods inventory at December 31, 2020, was $22,400.

1.	Calculate direct materials inventory, total cost, December 31, 2020.
2.	Calculate finished-goods inventory, total units, December 31, 2020.
3.	Calculate selling price in 2020.
4.	Calculate operating income for 2020.