I need some help with this problem



3. Porter Corp has fixed costs of $660,000, variable costs of $24 per unit and a contribution margin ratio of 50%. Compute the following.



A. Unit Sales Price

B. Unit Contribution Margin

C. Sales volume in units to earn operating income of $300,000

D. The dollar sales volume to earn $400,000 of operating income.

E. Sales dollars to earn $400,000 of operating income after tax, with a tax rate of 40%