An amount was invested at r% per quarter. What value r of will ensure that accumulated amount at the end of one year is 1.5 times more than amount invested? Correct to 2 decimal places

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%