Cost to buy from Outside
Direct Material 18 900,000
Direct Labor 24 1,200,000
Variable Factory
Overhead 7.5 375,000
Fixed Factory Overhead 36 1,800,000
Total Production Cost 4,275,000
Cost to Make/Year Cost to Buy/Year
Cost to buy from Outside 3,000,000
Direct Material 900,000 0
Direct Labor 1,200,000 0
Variable Factory
Overhead 375,000 0
Fixed Factory Overhead 1,800,000 1,350,000
Total Production Cost 4,275,000 4,350,000