Help with the ones that are wrong please!

Contribution Margin Ratio, Break-Even Sales Revenue, Sales Revenue for Target Profit Schylar Pharmaceuticals, Inc, plans to sell 120,000 units of antibiotic at an average price of $15 each in the coming year. Total variable costs equal $612,000. Total fixed costs equal $7,800,000. Required: 1. What is the contribution margin per unit? Round your answer to the nearest cent. What is the contribution margin ratio? Round your answer to two decimal places. (Express as a decimal-based answer rather than a whole percent amount.) 2. Calculate the sales revenue needed to break ever., Round your answer to the nearest dollar. 3. Calculate the sales revenue needed to ochieve a target proft of \$285,000, Round your answer to the nearest dollar. 1. 4. What if the average price per unit increased to $16.50 ? Recalculate the following: a. Contribution margin per unit, Round your answer to the nearest cent. b. Contribution margin ratio, Enter your answer as a decimal value (not a percentage), rounded to four decimal places. x. b. Contribution margin ratio. Enter your answer as a decimal value (not a percentage), rounded to four decimal places. x c. Sales revenue needed to break even. In your computations, use your rounded answer from part (4-b) above for the contribution margin ratio, and round your final answer to the nearest dollar. x d. Sales revenue needed to achieve a target profit of $285,000. In your computations, use your rounded answer from part (4-b) above for the contribution margin ratio, and round your final answer to the nearest dollar