Forrester Company is considering buying new equipment that current variable costs of $70 by $10 per unit. The selling price of $100 is not expected to change. Forrester's current break-even sales are $4 current break-even units are 4,000. If Forrester purchases this new equipmen be: would increase monthly fixed costs from $120,000 to $150,000 and would decrease the 00,000 and nt, the revised contribution margin ratio would