The following is a 4 part question. Thank you I appreaciate the help!

Stratford Company distributes a lightweight lawn chair that sells for $30 per unit. Variable expenses are $12 per unit, and fixed expenses total $270,000 annually. Results for last year are as follows: Sales (24,000 units) $720,000 288,000 Variable expenses 432,000 Contribution margin 270,000 Fixed expenses 62,000 Operating income