Assume that the American worker spends an average of 77 hours logged on to the Internet while at work. Assume the times are normally distributed, and that the standard deviation is 25 hours. A person is classified as a heavy user if he or she is in the upper 14 percent of usage. What is the least number of hours that makes a worker a heavy user?

Select one: a. 99 b. 104 c. 103 d. 100.75