Use the following information to answer questions 20–22.

Jocelyn wants to become a member of 1 of 3 gyms. The onetime sign-up fee, the monthly fee, and the late fee for each gym are shown in the table below. Monthly fees are due on the 1st day of each month for each gym. A onetime late fee is added to the monthly fee if the monthly fee is paid after the 1st day of that particular month. Felix, a coworker of Jocelyn’s, became a member of PowerPeople on March 1.