Answer:
Decrease in operating income $3,200
Step-by-step explanation:
The computation is shown below:
Particulars Old method New method
Sales $1,710,000 $1,786,000
(9,000 units × $190) (9,400 units × $190)
Less:
Variable expenses $513,000 $592,200
(9,000 units × $57) (9,400 units × $63)
Contribution margin $1,197,000 $1,193,800
Less:
Fixed expenses ($913,000) ($913,000)
operating income $284,000 $280,800
Decrease in income $3,200
We simply take an difference of operating income under both methods that reflects the decrease in operating income