Answer and Explanation:
The computation of the segment margin of the North business segment is shown below:
Particulars Total North South
Sales $1,345,800 $759,000 $586,800
Less:
Variable cost -$775,400 $440,500 $334,900
Contribution margin $570,400 $318,500 $251,900
Less:
Fixed cost $166,900 $90,900 $76,000
Segment margin $403500 $227600 $175900
Less: common fixed ex $206,000
Net operating income $197,500