Answer:
since the relative price of chicken has increased, Brian would be expected to still purchase chicken but at a lesser quantity
Explanation:
Based on the information provided within the question it can be said that in this scenario since the relative price of chicken has increased, Brian would be expected to still purchase chicken but at a lesser quantity. Mainly due to the fact that he previously purchased chicken which was at a dollar difference than the fish, and now both fish and chicken have risen in price but still remain at a dollar difference with chicken being cheaper than fish.