Biscayne's Rent-A-Ride rents two models of automobiles: the standard and the deluxe. Information follows: Biscayne's total fixed cost is $21,000 per month. Required: Determine Biscayne's new break-even point in each of the following independent scenarios: 1. Product mix is 40/60. 2. Sales price increases on both models by 15 percent. (Assume a product mix of 50/50.) 3. Fixed costs increase by $3,200. (Assume a product mix of 50/50.) 4. Variable costs increase by 20 percent. (Assume a product mix of 50/50.)