Please I just want the answers.

MCO Q1. Which one of the following decision's general rule is based on keeping the business segment if its contribution margin covers its avoidable fixed costs? a) Keep or drop decision b) Special order decision c) Make or buy decision d) Constrained resource decision Q6. In the determination of make or buy decision, managers must choose the alternative with the: a) Lowest relevant cost b) Highest relevant cost c) Contribution margin d) Fixed cost