In 2019, Marigold sold 1000 units at $500 each, and earned net income of $40000. Variable expenses were $400 per unit, and fixed expenses were $300000. The same selling price is expected for 2020. Marigold's variable cost per unit will rise by 10% in 2020 due to increasing material costs, so they are tentatively planning to cut fixed costs by $10000. How many units must Marigold sell in 2020 to maintain the same income level as 2019? 1000 5500 2750 3667