Answer:
1. C
2. B
3. C
Step-by-step explanation:
1. Relevant costs are cost that influence management decision making. Relevant revenues must differ between alternatives
2. Opportunity cost is defined as the next best alternative. Between 2 options one is forgone and the other is taken up due to it being more valuable.
3. Avoidable costs are cost that can be avoided and they differ between alternatives.