longstreet inc. has fixed operating costs of $410,000, variable costs of $2.75 per unit produced, and its product sells for $3.75 per unit. what is the company's break-even point, i.e., at what unit sales volume would income equal costs? a. 331,500 b. 266,500 c. 290,000 d. 341,667 e. 410,000
