"One year ago, the Jenkins Family Fun Center deposited $4,400 into an investment account for the purpose of buying new equipment four years from today. Today, they are adding another $6,200 to this account. They plan on making a final deposit of $8,400 to the account next year. How much will be available when they are ready to buy the equipment, assuming they earn a rate of return of 9 percent

Statistical process control charts: a. indicate to the operator the true quality of material leaving the process. b. display upper and lower limits for process variables or attributes and signal when a process is no longer in control. c. indicate to the process operator the average outgoing quality of each lot. d. display the measurements on every item being produced. e. are a graphic way of classifying problems by their level of importance, often referred to as the 80-20 rule.