Oslo Company prepared the following contribution format income statement

Oslo Company prepared the following contribution format income statement based on a sales volume of 1,000 units (the relevant range of production is 500 units to 1,500 units):

Sales$25,400
Variable expenses13,800

Contribution margin11,600
Fixed expenses7,772

Net operating income$3,828

Required:
If sales increase to 1,001 units, what would be the increase in net operating income?

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