Which of the following statements is true? 1. If fixed expenses increase by $10,000 per year, then the sales needed to break even will generally increase by more than $10,000. 11. The break-even point in units can be obtained by dividing total fixed expenses by the unit contribution margin. III. An increase in the number of units sold will decrease a company's break-even point. Multiple Choice None of the statements are true. Only statement I is true. Statements I and II are true. All of the statements are true