Answer:
The preparation is shown below:
Step-by-step explanation:
The preparation is presented below
Particulars Make Buy Net Income Increase
or (Decrease)
Variable
Manufacturing
Cost (10,000 × $5) $50,000 $50,000
Fixed
Manufacturing
Cost (10,000 × $3) $30,000 $30,000 No effect
Purchase Price
(10,000 × $6) - $60,000 -$60,000
Total Annual Cost $80,000 $90,000 -$10,000
As we can see that the total annual cost is less in make decision as compared to buy decision so the Manson should make the part