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Notes:

The traditional techniques of profit reporting are marginal costing and absorption cost. These two techniques have different impacts on profit (and stock) because of the way they treat fixed costs.

In marginal costing:

  • Fixed costs are treated as period cost and is written off to the Income Statement in the period incurred.
  • Marginal costing involves ascertaining marginal cost and then contribution can be computed

In absorption costing approach:

  • Fixed costs are treated as product costs.
  • It involves ascertaining total costs which enables profit to be calculated.

EXTERNAL report use absorption costing while INTERNAL reports use marginal cost.

Solution:

Company X

(a) Marginal Income Statement For the Year Ended 31/12/2006

Sales(10,000 x$20)

200,000

Less:

Variable Cost of Goods Sold

Production cost (11,000 x $12)

132,000

Closing Stock(1,000 x 12)

(12,000)

(120,000)

GROSS MARGIN

80,000

Less:

Variable non-production overheads

Variable selling and distribution expenses (10,000 x $1.50)

(15,000)

CONTRIBUTION MARGIN

65,000

Less:

Fixed Costs

Fixed production overhead

22,000

Fixed selling and distribution expense

20,000

Fixed general expenses

15,000

(57,000)

NET INCOME 8,000

(b) Income Statement For the Year Ended 31/12/2006 Under Absorption Costing Approach

Sales(10,000 x$20)

200,000

Less:

Cost of Goods Sold

Production cost (11,000 x $14)

154,000

Closing Stock(1,000 x 14)

(14,000)

(140,000)

GROSS PROFIT

60,000

Less:

Operating expenses

Selling and distribution expenses (10,000 x $1.50)

(15,000)

CONTRIBUTION MARGIN

65,000

Less:

Fixed Costs

Fixed production overhead

22,000

Fixed selling and distribution expense

20,000

Fixed general expenses

15,000

(50,000)

NET INCOME 10,000

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