Alan Purchases 10 Per Cent Fewer Bags of Corn Chips

Multiple Choice

Alan purchases 10 per cent fewer bags of corn chips when his income decreases by 5 per cent. Based on only this information, we know that for Alan

A) corn chips are a complement to salsa.
B) corn chips are an inferior good.
C) corn chips are a substitute for pretzels.
D) corn chips are a normal good.
E) the price of chips fell.