Answer:
Increase by $31,200
Step-by-step explanation:
Retain Truck Replace Truck Net Increase
Sale price of old Truck $0 $32,200 $32,200
Cost of New Truck $0 -$132,000 -$132,000
Variable manuf. cost -$131,000 $0 $131,000
Net Income -$131,000 -$99,800 $31,200
The total increase in income by replacing the old Truck is $31,200.