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. How is the percentage in cell B3 calculated? Why do you think specifying the sales mix percentages for all products is important? How are the percentages in cells R8 and R9 calculated? 1c-3. How is the amount in cell Q9 calculated? Sum of cells B7 through P7 Sum of cells B8 through P8 Sum of cells B9 through P9