Forrester Company is considering buying new equipment that would increase monthly fixed costs from $190,000 to $220,000 and would decrease the current variable costs of $80 by $20 per unit. The selling price of $120 is not expected to change. Forrester's current breakeven sales are $470.000 and current break-even units are 9,900 . If Folrester purchases this new equipment, the revised contribution marg ratio would ber Multiple Choice 30% 60%. 50% 20%. 80%