Forrester company is considering buying new equipment that would increase monthly fixed costs from $405,000 to $396,000 and would decrease the current variable costs of $70 by $10 per unit. the selling price of $120 is not expected to change. forrester's current break-even sales are $972,000 and current break-even units are 8,100. if forrester purchases this new equipment, the revised break-even point in dollars would be: a. 30%. b. 60%. c. 40%. d. 10%. e. 70%.