We make and sell a single product that sell for $42 per unit. The variable cost to manufacture is unit is $10; the variable cost to sell each unit is $5. Last year, we sold 5,000 units and made a profit of $60,000. How many units must we sell to make a profit of $100,000 this year? A. 100,000 B. 75,000 C. 6,000 OD. None of the above