Answer:
Positive Reinforcers
Step-by-step explanation:
Positive reinforcer is a whiny behaviour that makes Jona begs her father for a chocolate cupcake at the bakery but he refuses to buy her one. Jona continues to whine and complain until finally he breaks down and gets her the cupcake.
Jona complains and whining brought her a reward, what jona wanted was not present but after she engaged in the behaviour what she wanted is present.