Answer:
See preparation below
Step-by-step explanation:
Particulars Make Buy
Net income increases or decreases
Variable manufacturing
(17,000 × $4) $68,000. $68,000
Fixed manufacturing
(17,000 × $3) $51,000 $51,000
No effect
Purchase price
(17,000 × $5). - $85,000
- $85,000
Total annual cost $119,000 $136,000
-$17,000
From the above, the total annual cost is less in making decision when compared to buy decision so Manson should make the part.