radison inc. sells a product for $66 per unit. the variable cost is $44 per unit, while fixed costs are $43,560. determine (a) the break-even point in sales units and (b) the break-even point if the selling price were increased to $74 per unit. a. break-even point in sales units fill in the blank 1 units b. break-even point if the selling price were increased to $74 per unit fill in the blank 2 units