The salespeople has a very ambitious monthly sales goal

Consider the manager of a high-volume electronics store, Electricity, Inc. Each of the salespeople has a very ambitious monthly sales goal; for the store to meet its overall goal, all of the salespeople need to meet their individual goals. Apply each of the four keys to a successful control system to Electricity, Inc., explaining how the manager should implement an effective control system.
Remember to compare and contrast between sources and as always, write in the third person.