Angela consumes only two goods. it and y. Her income doubles and the prices of…

Angela consumes only two goods. it and y. Her income doubles and the prices of the two goods remain unchanged. Assuming that she is a utility maximizer and likes both goods, 0′ Select one: None of the above. 0 b. the ratio of her consumption Oh: to y remains constant. a Je’ O c. if her preferences are convex, she must consume more x. Q d. her utmouhles. “a. W 0 @she will consume more of both goods. Clear my choice 0+
*PLEASE SEE MY QUESTION BELOW*
Why e is incorrect? I thought she will consume more of both goods since she likes both goods, which implies both goods are normal (not inferior)
But in the solution, it says one of the goods can be inferior, so e) is incorrect.