Corporation X sold 25,000 units of product last year. The contribution margin per unit was $2, and fixed expenses totaled $40,000 for the year. This year fixed expenses are expected to increase to $45,000, but the contribution margin per unit will remain unchanged at $2. How many units must be sold this year to earn the same net operating income as was earned last year? Multiple Choice 22.500 27.500 35,000 Multiple Choice 22,500 27,500 35,000 2.500