Needing help on the full detailed steps to figure each question out.

Practice Questions: 1. James sells a product with a sales price per unit of $10.50, a fixed costs of $8,000, contribution margin ratio of 20.80%. James wants to make a profit of $33,000 this year. At what level of sales will James meet this goal? 2. A company sells 200,000 products at a sales price of $2.70, and variable cost of $1.50 per product. Their fixed costs typically run $80,000. If they run a new ad campaign costing $11,000 during the Super Bowl, they expect to increase sales by 20%. What is the expected change in profits as a result of this potential ad campaign? 3. A company sells 260,000 products at a sales price of $3.12 and variable cost of $1.15 per bag. Their fixed costs typically run $75,000. If they run a new ad campaign costing $11,000 during the Super Bowl, they expect to increase sales by 20%. What is the expected total variable costs as a result of this potential ad campaign? 4. A company sells 210,000 products at a sales price of $5.20 and variable cost of $2.12 per product. Their fixed costs typically run $52,000. If they run a new ad campaign costing $11,000 each year, they expect to increase sales by 20%. What is the expected new breakeven level after the ad campaign is implemented