I need help on 3, 4a, 4b, 5a, 5b, and 6 please. Thank you!

Sales Feather Friends, Incorporated distributes a high-quality wooden birdhouse that sells for $80 per unit. Variable expenses are $40.00 per unit, and fixed expenses total $160,000 per year. Its operating results for last year were as follows: $ 1,920,000 Variable expenses 960,000 Contribution margin 960,000 Fixed expenses 160,000 Net operating income $ 800,000 Required: Answer each question independently based on the original data: 1. What is the product's CM ratio? 2. Use the CM ratio to determine the break-even point in dollar sales. 3. Assume this year's unit sales and total sales increase by 42,000 units and $3,360,000, respectively. If the fixed expenses do not change, how much will net operating income increase? 4-a. What is the degree of operating leverage based on last year's sales? 4-6. Assume the president expects this year's unit sales to increase by 14%. Using the degree of operating leverage from last year, what percentage increase in net operating income will the company realize this year? 5. The sales manager is convinced that a 14% reduction in the selling price, combined with a $67,000 increase in advertising, would increase this year's unit sales by 25%. a. If the sales manager is right, what would be this year's net operating income if his ideas are implemented? b. If the sales manager's ideas are implemented, how much will net operating income increase or decrease over last year? 6. The president does not want to change the selling price. Instead, he wants to increase the sales commission by $2,30 per unit. He thinks that this move, combined with some increase in advertising, would increase this year's unit sales by 25%. How much could the president increase this year's advertising expense and still earn the same $800,000 net operating income as last year? Complete this question by entering your answers in the tabs below. Complete this question by entering your answers in the tabs below. Reg 1 Reg 2 Reg 3 Req 4A Reg 4 Req 5A Req 5B Reg 6 Assume this year's unit sales and total sales increase by 42,000 units and $3,360,000, respectively. If the fixed expenses do not change, how much will net operating income increase? (Do not round Intermediate calculations.) Net operating incomo Complete this question by entering your answers in the tabs below. Reg 5B Reg 6 Reg 1 Reg 2 Reg 3 Req 4A Reg 4B Reg SA What is the degree of operating leverage based on last year's sales? (Round intermediate calculations and final answers to 2 decimal places.) Degree of operating leverage Complete this question by entering your answers in the tabs below. Reg 1 Reg 2 Reg 3 Req 4A Reg 4B Reg 5A Reg 5B Reg 6 Assume the president expects this year's unit sales to increase by 14%. Using the degree of operating leverage from last year, what percentage increase in net operating income will the company realize this year? (Round Intermediate calculations and final answer to 2 decimal places.) Net operating income increases by % Complete this question by entering your answers in the tabs below. Req1 Reg 2 Reg 3 Reg 4 Reg 48 Reg SA Req 5B Reg 6 The sales manager is convinced that a 14% reduction in the selling price, combined with a $67,000 increase in advertising, would increase this year's unit sales by 25%. If the sales manager is right, what would be this year's net operating income if his ideas are implemented? (Do not round intermediate calculations.) Net operating income (loss) your answers in the tabs below. Reg 1 Reg 2 Req3 Req 4A Reg 4B Req SA Reg 5B Reg 6 The president does not want to change the selling price. Instead, he wants to increase the sales commissiop by $2.30 per unit. He thinks that this move, combined with some increase in advertising, would increase this year's unit cales by 25%. How much could the president increase this year's advertising expense and still earn the same $800,000 net operating income as last year? (Do not round intermediate calculations.) Show less The amount by which advertising can be increased is