Assertion (A): Only the relevant costs should be taken into consideration for decision-making.
Reason (R): All variable costs are relevant costs, and all fixed costs are irrelevant costs.
Assertion (A): Only the relevant costs should be taken into consideration for decision-making.
Reason (R): All variable costs are relevant costs, and all fixed costs are irrelevant costs. Correct Answer (A) is correct, but (R) is incorrect