Harmony sells a product for $60 per unit. Variable costs per unit are $36, and monthly fixed costs are $146,400. a. What is the break-even point in units? Break-Even Point units b. What unit sales would be required to earn a target profit of $184,800? Total Required Sales units c. Assume they achieve the level of sales required in part b, what is the degree of operating leverage? (Round your answer to 2 decimal place.) Degree of Operating Leverage d. If sales increase by 40% from that level, by what percentage will profits increase? (Round final answers to two decimal places.) Change in Profit %