Bob just signed a lease on a rental agreement. The current rent is \$1,580 per month, and he estimates a 5% increase each year. Use his estimate to predict the sum of the next four years worth of monthly rental expenses.​

One of every 20 customers reports poor customer service on your company’s customer satisfaction survey. you have just created a new process that should cut the number of poor customer service complaints in half. what percentage of customers would you expect to report poor service after this process is implemented? 1.) 5% 2.) 10% 3.) 2% 4.) 2.5%