When constrained or scarce resources exist, select the item that most accurately and completely describes how to maximize the TOTAL profit for a business. Assume the business can and does sell everything it produces. The business should maximize the production and sale of the product with the highest contribution margin per inventory unit. The business should maximize the production and sale of all products equally. The business should maximize the production and sale of the product with the highest gross profit per inventory unit. The business should maximize the production and sale of the product with the highest contribution margin per unit of scarce resource. The business should maximize the production and sale of the product with the highest gross profit per unit of scarce resource