All of the following statements are correct except:

A)for an inferior good, an increase in income causes its budget share to fall.

B)for an inferior good, as income rises, more of consumers' income is spent on it.

C)if a good is a necessity, an increase in income causes its budget share to fall.

D)for a luxury good, an increase in income causes that good's budget share to rise

(Explain Please)

Thank you