Lush Lawn, Incorporated produces and sells electric lawn trimmers for $170 each. The variable costs of each mower total $130 while total monthly fixed costs are $6,400. Current monthly sales are $53,000. The company is considering a proposal that will decrease the selling price by 10%, increase monthly fixed costs by 50%, and increase unit sales to 600 units per month. Required: a. Compute the company's current break-even point in units and dollars, b. What is the company's current margin of safety in units, dollars, and percentage