Fact 9.3.1
Marc has an income of $20 and spends it on two goods, root beer (...
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Fact 9.3.1Marc has an income of $20 and spends it on two goods, root beer (measured on the vertical axis) and chips (measured on the horizontal axis). The price of root beer is $1 a can. The price of chips is $0.50 a bag. Initially, Marc's best affordable point is 10 cans of root beer and 20 bags of chips. Refer to Fact 9.3.1. What was Marc's initial marginal rate of substitution between the two goods?