Marginal costing - definition
Marginal costing distinguishes between fixed costs and variable costs as convention ally classified.
The marginal cost of a product –“ is its variable cost”. This is normally taken to be; direct labour, direct material, direct expenses and the variable part of overheads.
Marginal costing is formally defined as:
‘the accounting system in which variable costs are charged to cost units and the fixed costs of the period are written-off in full against the aggregate contribution. Its special value is in decision making’. (Terminology.)
‘the accounting system in which variable costs are charged to cost units and the fixed costs of the period are written-off in full against the aggregate contribution. Its special value is in decision making’. (Terminology.)
The term ‘contribution’ mentioned in the formal definition is the term given to the difference between Sales and Marginal cost. Thus
| MARGINAL COST = | VARIABLE COST DIRECT LABOUR + DIRECT MATERIAL + DIRECT EXPENSE + VARIABLE OVERHEADS |
CONTRIBUTION SALES - MARGINAL COST
The term marginal cost sometimes refers to the marginal cost per unit and sometimes to the total marginal costs of a department or batch or operation. The meaning is usually clear from the context.
Note
Alternative names for marginal costing are the contribution approach and direct costing In this lesson, we will study marginal costing as a technique quite distinct from absorption costing.
The term marginal cost sometimes refers to the marginal cost per unit and sometimes to the total marginal costs of a department or batch or operation. The meaning is usually clear from the context.
Note
Alternative names for marginal costing are the contribution approach and direct costing In this lesson, we will study marginal costing as a technique quite distinct from absorption costing.
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