Wesley Company manufactures and sells a single product. The company's income statement at sales level of 45,000 units for las quarter follows: Required: 1. What is the monthly break-even point in units sold and in sales dollars? (Round your intermediate calculations and final answers to the nearest whole number.) 2. Without resorting to computations, calculate the total contribution margin at the break-even point for the quarter. 3-a. How many units would have to be sold each quarter to earn a target profit of $36,000 ? Use the formula method