Traditional costing
                           Marginal costing
               4.1  The standard cost card
                            In marginal costing, fixed production costs are NOT included in the
                            standard cost of production.
                                                               $
               Direct materials                                X
               Direct labour                                   X
               Variable overheads                              X
                                                              –––
               Marginal cost per unit                          X
                                                              –––
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