If a rational consumer obtains maximum satisfaction by buying three units of good X and four units of good Y, and both goods have the same dollar price, what does this show?
- AMarginal utility per dollar spent is equal for both goods.
- BThe total utility of 3X is equal to the total utility of 4Y.
- CThe consumer should buy one more unit of good X to maximise utility.
- DGood Y has greater marginal utility than good X.