Which of the following statements is TRUE? The selling price per unit is $25, variable cost per unit 515, and fixed cost per unit is 54. When this company operates above the breakeven point, the sale of one more unit will increase net income by $6. of the selling price per unit is 550 and the contribution margin percentage is 40%, then the variable cost per unit must be 520. of the selling price per unit of a product is $30. variable costs per unit are $20, and total fixed costs are $10,000 and a company sells 5,000 units, operating income would be $40,000. it is assumed in CVP analysis that the unit selling price, unit variable costs, and unit fixed costs are known and constant