Answer:
confused
Explanation:
The goods whose demand decreases in the market when the consumer income rises are known as inferior goods.
The goods whose demand increases in the market when the consumer income rises are known as normal goods.
Thus, the reasoning of the student is confused as the classification of the goods on the basics of normal or inferior depends on response of the demand when there is a change in consumer's income. Thus, the student's own perception about such classification is confused.