Kent Co. manufactures a product that sells for $50.00 and has variable costs of $24.00 per unit. Fixed costs are $260,000. Kent can buy a new production machine that will increase fixed costs by $11,400 per year, but will decrease variable costs by $3.50 per unit. Compute the contribution margin per unit if the machine is purchased. $22.50. $26.00. $29.50. $28.50 $27.50