20 percent of the customers account for 80 percent of the sales. 20 percent of the products or services account for 80 percent of the profits. 20 percent of your stock takes up 80 percent of your warehouse space. 80 percent of your stock comes from 20 percent of your suppliers. 80 percent of your sales will come from 20 percent of your sales force. 20 percent of your staff will cause 80 percent of your problems. 20 percent of a company’s staff will output 80 percent of its production.