Consider each of the following cases independently. Required: 1. Prepare a new income statement if the sales volume increases by 15%, and the selling price decreases by $4.00. (Do not round intermediate calculations. Round "Per Unit" answers to 2 decimal places.) 2. Prepare a new income statement if the selling price decreases by $1.5 per unit, and the sales volume increases by 15%. (Do not ound intermediate calculations. Round "Per Unit" answers to 2 decimal places.) 3. Prepare a new income statement if the selling price increases by $2.0 per unit, fixed expenses increase by $6.000 and the sales volume decreases by 5%. (Do not round intermediate calculations. Round "Per Unit" answers to 2 decimal places.) 4. Prepare a new income statement if the selling price increases by 5%, variable expenses increase by $0.10 per unit and the sales jolume decreases by 30\%. (Do not round intermediate calculations. Round "Per Unit" answers to 2 decimal places.)