Answer:
should buy more wine and less cheese
Explanation:
Marginal utility is the additional utility derived from consuming one more unit of a good
The consumption decision is to consume more units of a good that gives the higher utility per good.
Marginal utility per good = marginal utility / price of the good
Wine = 60 / $3 = 20
Cheese = 30 / $2 = 15
Wine has a higher utility per good when compared with cheese. Benny should buy more wine and less cheese