forrester company is considering buying new equipment that would increase monthly fixed costs from $310,000 to $340,000 and would decrease the current variable costs of $60 by $15 per unit. the selling price of $100 is not expected to change. forrester's current break-even sales are $590,000 and current break-even units are 11,400. if forrester purchases this new equipment, the revised contribution margin ratio would be: multiple choice 55%. 15%. 45%. 40%. 60%.
