Columbia Products produced and sold 1,300 units of the company's only product in March You have collected the following information from the accounting records 140 Sales price per unit) Manufacturing costs Fbed overhead for the month) Direct labor (per unit) Direct materials (per unit) Variable overhead (per unit) Marketing and administrative costs Fixed costs for the month) Variable costs (per unit) 15,600 7 33 25 20.800 4 Required: a. Compute the following 1. Variable manufacturing cost per unit 2. Full cost per unit a Variable cost per unit 4 Full absorption cost per unit 5 Prin cost per unit 6. Conversion cost per unit 7. Profit margin per unit B. Contribution margin per unit 9. Gross maroin perunt