SOS can someone help me with formulas

Question: Acme sells a single product for $57 per unit. It made 200,000 units and sold 175,000 units in its first year of operation. Direct materials $6 per unit Direct labor S24 per unit Variable OH $3 per unit Fixed OH $900,000 per year Variable selling & admin. costs $9 per unit Fixed selling & admin. costs $180,000 per year 1. What are total sales using absorption costing? $9,975,000 2. What are total sales using variable costing? Same as 1. Above 3. What is cost of goods sold using absorption costing? $6,562,500 cost of goods sold 4. Assuming variable costing is used, what is the total contribution margin? $2,625,000 contribution margin 5. What is the contribution margin per unit under variable costing? $15 contribution margin per unit using variable costing 6. What is net income using variable costing? $1,545,000 net income using variable costing