On April 30, the end of the first month of operations, Joplin Company prepared the following income statement, based on the absorption costing concept: Joplin Company Absorption Costing Income Statement For the Month Ended April 30 Sales (5,600 units) $145,600 Cost of goods sold: Cost of goods manufactured (6,400 units) $115,200 Inventory, April 30 (900 units) (16,200) Total cost of goods sold (99,000) Gross profit $46,600 Selling and administrative expenses (24,740) Operating income $21,860 If the fixed manufacturing costs were $23,040 and the fixed selling and administrative expenses were $12,120, prepare an income statement according to the variable costing concept. Round all final answers to whole dollars.

See below

Explanation:

Preparation of variable costing income statement

Sales $145,600

Variable cost of goods sold

$92,160

Less:

Inventory, April 30

($12,960)

Total variable cost of goods sold

$79,200

Manufacturing margin

$66,400

Variable selling and administrative expenses ($12,620)

Contribution margin $66,580

Less:

Fixed costs $23,040

Fixed selling and administrative expenses $12,120

Total fixed costs ($35,160)

Income from operations $31,420

Workings

•Variable cost of goods manufactured

= Total manufacturing cost - Fixed manufacturing cost

= $115,200 - $23,040

= $92,160

• Inventory at April 30

Calculate first, manufacturing cost per unit

= Variable cost of goods manufactured / Units manufactured

= $92,160/6,400 units

= $14.4

Therefore, Inventory at April 30

= $14.4 × 900 units

= $12,960

• Variable selling and administrative cost = Total selling and administrative cost - Fixed selling and administrative costs

= $24,740 - $12,120

= $12,620

1) the stages a new product goes through from beginning to end, i.e., the stages that a product passes through from introduction through growth, maturity, and decline. 2) the time from initial research and development to the time at which sales and support of the product to customers are withdrawn. 3) the period of time during which a product can be produced and marketed profitably.

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