Exercise 3-3A Contribution margin ratio LO 3-1 Vernon Company incurs annual fixed costs of $115,560. Variable costs for Vernon's product are $18.60 per unit, and the sales price is $30.00 per unit. Vernon desires to earn an annual profit of $60,000. Required Use the contribution margin ratio approach to determine the sales volume in dollars and units required to earn the desired profit. (Do not round intermediate calculations. Round your final answers to the nearest whole number.) Sales in dollars Sales volume in units