Omar and Patrice Sell Magazine Subscriptions by Telephone

Multiple Choice

Omar and Patrice sell magazine subscriptions by telephone. Omar is paid $1.00 for every five calls he makes, while Patrice is paid $1.00 for every subscription he sells (which could take any number of calls) . Omar is paid on a __________ schedule, while Patrice is paid on a __________ schedule.

A) fixed ratio; fixed interval
B) variable ratio; fixed ratio
C) fixed ratio; variable ratio
D) fixed ratio; variable interval