please solve each question seprate .

EXERCISE 3-1 Preparing a Contribution Format income Statement [L03-1] Whirly Corporation's most recent income statement is shown below: Required: Prepare a new contribution format income statement under each of the following conditions (consider each case independently): 1. The sales volume increases by 100 units. 2. The sales volume decreases by 100 units. 3. The sales volume is 9,000 units. EXERCISE 3-2 Prepare a Cost-Volume-Pront (CVP) Graph [L03-2] Karlik Enterprises distributes a single product whose selling price is $24 and whose variable expense is $18 per unit. The company's monthly fixed expense is $24,000. Required: 1. Prepare a cost-volume-profit graph for the company up to a sales level of 8,000 units. 2. Estimate the company's break-even point in unit sales using your cost-volume-profit graph. EXERCISE 3-3 Prepare a Profit Graph [L03-2] Jaffre Enterprises distributes a single product whose selling price is $16 and whose variable expense is $11 per unit. The company's fixed expense is $16,000 per month. Required: 1. Prepare a profit graph for the company up to a sales level of 4,000 units. 2. Estimate the company's break-even point in unit sales using your profit graph. EXERCISE 3-4 Computing and Using the CM Ratio [LO3-3] Last month when Holiday Creations, Ine, sold 50,000 units, fotal sales were $200,000, total variable expenses were $120,000, and fixed expenses were $65,000. Required: 1. What is the company's contribution margin (CM) ratio? 2. Estimate the change in the company's net operating income if it were to increase its total sales by $1,000