Answer:
d. a $10,000 decrease.
Step-by-step explanation:
The computation of the impact on the income is given below:
In case of making the product
= Direct material + direct labor + variable manufacturing overhead + rented
= $100,000 + $160,000 + $60,000 + $10,000
= $330,000
And, in case of buying the product
= 20,000 × $17
= $340,000
So there is a decrease of $10,000