Approximately how much principal would need to be placed into an account earning 4.8% interest compounded monthly so that it has an accumulated value of $78,550 at the end of 38 years?

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%