Murphy Growers raises two products, turnips and radishes. Murphy can sell all of the turnips and radishes it can raise, but it has limited harvesting capacity. Harvesting hours required for turnips is 1 hour and for radishes is 1.5 hours. The company has 216,540 harvesting hours available. Contribution margin per unit is $24 for turnips and $30 for radishes. What is the total contribution margin if Murphy chooses the most profitable sales mix? A. $8,820,000. B. $5,196,960. C. $4,970,000. D. $6,720,000. E. $7,300,000.