2. Preppy Co. makes and sells a single product. The current selling price is $30 per unit. Variable costs are $21 per unit, and fixed expenses total $90,000 per month. Sales volume for July totaled 12,000 units. (a) Calculate the operating income for July. (b) Calculate the break-even point in units sold and total revenues. (c) Management is considering the use of automated production equipment. If this were done, variable costs would drop to $15.00 per unit, but fixed expenses would increase to $100,000 per month (1.) Calculate operating income a volume of 12,000 units per month with the new cost structure. (2.) Calculate the break-even point in units with the new cost structure