please show work

Cam, Inc. currently sells widgets for $80 per unit. The variable cost is $30 per unit and total fixed costs equal $240,000 per year. Sales are currently 20,000 units annually. 3. Required: Calculate the contribution margin ratio (round your answer to xx.x %). b. Calculate break-even in units c. Calculate the break-even in sales dollars. d. Calculate the current operating income assuming no income taxes. e. The company is considering a 20% drop in selling price that it believes will raise units sold by 20%. Assuming all costs stay the same, what is the impact on income if this change is made