Vilfredo Pareto

• 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.