For each variable listed below, indicate whether it would be considered a categorical variable or a quantitative variable.

A. Whether an inductee is considered to be a performer, a non-performer, an early influence, or an example of musical excellence. B. For those inductees who are performers, the number of albums the performer has recorded. C. Length of time, in minutes, that each induction ceremony takes. D. For those inductees who are performers, whether or not the performer is a solo artist or a member of a group.