Answer:
$40,000 increase in annual net operating income
Explanation:
If Talboe buys the the wheels then the annual net operating income of the company will be $40,000
Cost of purchasing wheels $0.80 per wheel * 200,000 wheels = $160,000
savings in fixed cost $25,000
Rental income from wheels $55,000
Net cost of buying the wheels $80,000
If company manufactures the wheels its total cost is $200,000
The net change in operating income is $200,000 - $160,000