Answer:
an increase of $4,000.
Explanation:
Calculation to what The effect on the profit of Manor Company of discontinuing this department would be:
Effect on the profit=-$25,000 + ($50,000 - $21,000)
Effect on the profit=-$25,000+$29,000
Effect on the profit=An increase of $4,000.
Therefore The effect on the profit of Manor Company of discontinuing this department would be: an increase of $4,000