Jamie and Anna Are Both Employed Raking Leaves

Multiple Choice

Jamie and Anna are both employed raking leaves. Anna is paid $1 for each bag of leaves she rakes; Jamie is paid $4 per hour. Anna is paid according to the ________ schedule; Jamie is paid according to the ________ schedule.

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