Tyrell Wants to Teach His Two Daughters,Sarah and Mia,to Practice

Tyrell wants to teach his two daughters,Sarah and Mia,to practice their golf swings every day.Each time after Sarah finishes practicing,he gives her $5,and each time after Mia finishes practicing,he gives her a handful of her favorite candy pieces.Sarah is receiving a __________ reinforcer,and Mia is receiving a __________ reinforcer.

A) secondary; secondary
B) primary; primary
C) secondary; primary
D) primary; secondary