Suppose Caesar allocates his entire budget to the purchase of soft drinks and chips. The marginal utility of the last bottle of soft drink purchased is 12 utils, and each bottle costs $1.20. The marginal utility of the last bag of chips purchased is 8 utils, and each bag costs $1. In order to maximize his utility, Caesar should:
a) Buy more soft drinks
b) Buy more chips
c) Buy an equal amount of soft drinks and chips
d) Not purchase any more soft drinks or chips
