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A product company produces only one product. The following data relates to the O

ID: 2376296 • Letter: A

Question

A product company produces only one product. The following data relates to the October production.


Selling price

$200

Beginning inventory

          5,000

units

Variable costs per unit:

Produced

        18,000

units

Direct material

    $50

Sold

        20,000

units

Direct labor

    $30

Ending Inventory

          3,000

units

Variable manufacturing overhead

    $10

Variable selling and administrative

    $15

Fixed manufacturing overhead

$288,000

Fixed selling and administrative

$40,000

a.     What is the unit product cost under variable costing?

b.     What is the unit product cost under absorption costing?

c.     Prepare an income statement for the month using the variable costing method.

d.     Prepare an income statement for the month using the absorption (full) costing method.

e.       What is ending inventory under variable costing?

f.         What is ending inventory under absorption costing?

g.     How much is the difference in the net income between full costing and variable costing and why did you get that difference?

A product company produces only one product. The following data relates to the October production.


Selling price

$200

Beginning inventory

          5,000

units

Variable costs per unit:

Produced

        18,000

units

Direct material

    $50

Sold

        20,000

units

Direct labor

    $30

Ending Inventory

          3,000

units

Variable manufacturing overhead

    $10

Variable selling and administrative

    $15

Fixed manufacturing overhead

$288,000

Fixed selling and administrative

$40,000

Explanation / Answer

a. Under variable costing, direct costs to be considered are direct material, direct labor, variable mftg overhead. So direct cost = 50+30+10 = $90/unit


b. Under absorption cost, direct costs to be considered are direct material, direct labor, variable mftg overhead and fixed mftg overhead. (note that the additional item here is fixed mftg overhead).


Fixed mftg overhead/unit = 288,000/no of units produced = 288,000 / 18,000 = $16


So direct cost = 50+30+10+16 = $106/unit


c. Income statement under variable costing:

Revenues (20000units *$200/unit) : 4,000,000

Less: Variable Expenses

Beginning Inventory (5000 units * $90/unit): 450,000

Cost of Goods Manufactured (18,000* $90/unit): 1,620,000

Less: Ending Inventory (3000 units * $90/unit): 270,000

Variable selling and administrative costs (20000 units * $15/unit): 300,000

Contribution Margin: 1,900,000

Less: Fixed Expenses

Fixed mftg overhead: 288,000

Fixed selling and administrative: 40,000

Net operating income: 1,572,000


d. Income statement under absorption costing:

Revenues (20000units *$200/unit) : 4,000,000

Less: Variable Expenses

Beginning Inventory (5000 units * $106/unit): 530,000

Cost of Goods Manufactured (18,000* $106/unit): 1,908,000

Less: Ending Inventory (3000 units * $106/unit): 318,000

Contribution Margin: 1,880,000

Less: Selling and admin Expenses

Variable selling and administrative (20,000 units * $15/unit): 300,000

Fixed selling and administrative: 40,000

Net operating income: 1,540,000


e. Ending inventory under variable costing = 3000 units * 90/unit = 270,000


f. Ending inventory under absorption costing = 3000 units * 106/unit = 318,000


g. Difference in net income = 1,572,000 - 1,540,000 = 32,000


The difference is due to the fixed manufacturing overhead unit costs assigned to inventory of $16/unit


There is beginning inventory of 5,000 units and ending inventory of 3,000 units, so a difference of 2,000 units released from inventory. This 2,000 units cost is 2,000*16 = 32,000 which explains the difference.


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