Who are BEMC’s five best and five worst customers by total profit

Who are BEMC’s five best and five worst customers by total profit? Use an appropriate table and graph/chart to summarise these observations. What are BEMC’s best and worst Trade Fairs by total profit? Use an appropriate table and graph/chart to summarise these observations. Who are BEMC’s best and worst sales representatives by total income? Use an appropriate table and graph/chart to summarise these observations. What are the best Sales Representative’s best- and worst-selling customers (by total profit)? Use an appropriate table and graph/chart to summarise these calculations.