Please answer with an explanation.
Answer choices

(Choice A)
A
Marcelina spends the intended amount of money and buys the intended amount of corn.

(Choice B)
B
Marcelina spends the intended amount of money and buys more than the intended amount of corn.

(Choice C)
C
Marcelina spends less than the intended amount of money and buys the correct amount of corn.

(Choice D)
D
Marcelina spends less than the intended amount of money and buys less than enough corn.