Nicklin Corporation is considering two alternatives, code-named M and N. Costs associated with the alternatives are listed below: Alternative M Alternative N 60,000 $ 41,000 $41,000 Inspection costs 21,000 32,000 Assembly costs 34,000 $ 23,000 67,000 Supplies costs Power costs Required: a. Which costs are relevant and which are not relevant in the choice between these two alternatives? Supplies costs Power costs Inspection costs Assembly costs