plz answer this question quick (will like up c:)

Spice Inc.'s unit selling price is $46, the unit variable costs are $35, fixed costs are $106,000, and current sales are 9,800 units. How much will operating income change if sales increase by 5,500 units? Oa. $168,300 increase Ob $107,800 increase OC 5107.800 decrease Od. $60,500 increase