Voltar Company manufactures and selils a specialized cordless telephone for high electromagnetic radiation environments. The company's contribution format income statement for the most recent year is given below Sales (20,000 Units @ 60 per unit) Variable Expenses ($45 per unit) Contribution Margin Fixed Expenses $1,200,000 900,000 300,000 240,000 60,000 NOI Required: 1. Compute the company's CM ratio and variable expense ratio. 2. Compute the company's break-even point in both unit sales and dollar sales. Assume that next year management wants the company to earn a profit of at least $90,000. How many units will have to be sold to meet this target profit? 4. Refer to the original data. Compute the company's margin of safety in both dolar and percentage form. 5. Compute the company's degree of operating leverage at the present level of sales. Assume that through a more intense effort by the sales staff, the company's sales increase by 8% next year. By what percentage would you expect net operating income to increase? Use the degree of operating leverage to obtain your answer. 7. In an effort increase variable costs by $3 per unit, but manager estimates that the higher-quality speaker would increase annual sales by at least 20%. a. Assuming that changes are made as described a to increase sales and profits, management is considering the use of a higher-quality speaker. The higher-quality speaker would management could eliminate one quality inspector who is paid a salary of $30,000 per year. The sales bove, compute the company's new break-even point in both unit sales