O RATIOS PROPORTIONS, AND PERCENTS Gross pay with variable commission scale V Masterson Plastics pays all sales representatives 6% commission on the rst $40,000 of their individual sales and 11% commission on their individual sales in excess of $40,000. Assume that Nancy Powell sold merchandise valued at $49,000 during the month of August. Calculate the following amounts. (a) Commission on sales in the sales base: $II| X S O (b) Commission on additional sales: $|:I (c) Gross pay: 39']