Lyndia Company is a merchandiser that sells a total of 15 products to its customers. The company provided the following information from last year: Last year, Lyndia's total fixed expenses and net operating income were $3,000,000 and $1,223,070, respectively. The company would like your assistance in developing some financial projections for this year. Click here to download the Excel template, which you will use to answer the guestions that follow. Click here for a brief tutorial on Goal Seek in Excel. Click here for a a brief tutorial on Charts in Excel Click here for a brief tutorial on Conditional Formatting in Excel 3. Refer to the original data (in other words, return cell Q15 to its original value of 0% ) and assume the sales mix percentages (as shown in rows 3 and 21 ) hold constant. a. Using Goal Seek, calculate the total unit sales required to break even. (Hint: Instruct Goal Seek to obtain a net operating income of \$0, as shown in cell Q31, by changing the unit sales in cell Q14.) b. What are the dollar sales required to break even? c. What was the company's margin of safety last year? 4. Refer to the original data (in other words, return cell Q14 to its original value of 150,000 units). Assume the sales mix holds constant and the company plans to increase the selling prices of all products by 5%. (Hint: Focus on cell Q16 to input this projection.) a. Using Goal Seek, calculate the total unit sales required to break even. Is your answer greater than, less than, or equal to the answer you obtained in requirement 3a ? b. How is the amount in cell B23 calculated? c. Why does the contribution margin ratio shown in cell R29 differ from the corresponding percentage from last year, as shown in ceil R9? d. Should the company increase its selling prices by 5% this year