Suppose that Fiona spends all of her income on 10 units of good X and 14 units of good Y. Fiona's marginal utility from the 10^th unit of good X is 24 utils, and her marginal utility from the 14^th unit of good Y is 20 utils. If the price of good X is $8 per unit and the price of good Y is $5 per unit, then to comply with the rational spending rule, Fiona should: A)purchase more than 10 units of good X and less than 14 units of Y. B)purchase less than 10 units of good X and more than 14 units of good Y. C)purchase more than 10 units of good X and more than 14 units of good Y. D)continue to purchase 10 units of good X and 14 units of good Y.

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The Answer of Suppose that Fiona spends all of her income on 10 units of good X and 14 units of good Y. Fiona's marginal utility from the 10^th unit of good X is 24 utils, and her marginal utility from the 14^th unit of good Y is 20 utils. If the price of good X is $8 per unit and the price of good Y is $5 per unit, then to comply with the rational spending rule, Fiona should: A)purchase more than 10 units of good X and less than 14 units of Y. B)purchase less than 10 units of good X and more than 14 units of good Y. C)purchase more than 10 units of good X and more than 14 units of good Y. D)continue to purchase 10 units of good X and 14 units of good Y.

Suppose That Fiona Spends All of Her Income on 10