Answer:
b. Increase of $40,000
Step-by-step explanation:
Incremental Analysis of the Operating Profit arising from new TV commercial
Hint : Consider Incremental amounts Only
Operating Income ( $450,000 × 20 %) $90,000
Less Cost of new TV commercial ($50,000)
Incremental Income / (loss) $40,000
Conclusion :
There will be an increase in next month's net operating income from the current month of $40,000 .