Costs assoclated with two alternatives, code-named Q and R, belng considered by Albiston Corporation are listed below Alternative Q $91,888 $55,888 $47,888 $56,888 Alternative R Supplies costs Power costs Inspection costs Assembly costs $91,888 $54,288 $54,280 $56,898 Required: a. Which costs are relevant and which are not relevant In the choice between these two alternatives? b. What Is the differental cost between the two alternatives? a. |Supplies costs Power costs Inspection costs Assembly costs b. Differential cost