please help & thank you! ;)))

Salespersons' Report and Analysis Walthman Industries Inc. employs seven salespersons to sell and distribute its product throughout the state. Data taken from reports received from the salespersons during the year ended December 31 are as follows: Required: 1. Prepare a table indicating contribution margin, vartable cost of goods sold as a percent of sales, variable selling expenses as a percent of sales, and contribution margin ratio by salesperson. Round percents to the nearest whole number. Enter all amounts as positive numbers. 2. Which salesperson generated the highest contribution margin ratio for the year? 3. Identify the factors other than contribution margin that should be considered in evaluating the