Salter Inc's unit seling price is $50, the unit variable costs are $35, foced costs are $125,000, and current sales are 10,000 units. How much witt operating income change if sales increase by 5,000 units? A. $150,000 decrease 8.$175,000 increase C. $75,000 increase D. $150,000 increase QUESTION 7 If fixed costs are $300,000, the unit selling price is $25, and the unit variable costs are $20, what is the breakeven sales (units) if the variable costs are decreased by $2 ? A. 42,857 units B. 17,143 units C. 60,000 units D. 100,000 units QUESTION 8 If fixed costs are $500,000 and the unit contribution margin is $40, what is the break-even point if floced costs are increased by $80,000 ? $ A. 14,500 B. 12,500 C. 8,333 0.9,667