Exercise 3-1A Equation method LO 3-1 Zachary Corporation produces products that it sells for $15 each. Variable costs per unit are $9, and annual fixed costs are $127,200. Zachary desires to earn a profit of $11,400. Required a. Use the equation method to determine the break-even point in units and dollars. b. Determine the sales volume in units and dollars required to earn the desired profit. a. Break-even point in units Break-even point in dollars b. Sales volume in units Sales in dollars