Answer:
b. Make, $26
Step-by-step explanation:
Options are "A. Buy, $26. B. Make, $26. C. Buy, $36. D. Make, $36 E. Buy, $40"
Calculation of total relevant cost
Direct materials $4
Direct labor $12
Overhead $10 ($20 * 50%)
Total relevant cost $26
Since the relevant cost is $26 when making, so the proper decision and the total relevant cost to compare with the $30 purchase price are "Make, $26".