While buying two goods X and Y with unequal prices, to maximize total utility from his income, a consumer should get:

A. Equal MU from both commodities X and Y

B. More MU from commodity X than from commodity Y

C. More MU from commodity Y than from commodity X

D. Equal marginal utility from the last rupee spent on commodity X and commodity Y

Please do not use chat terms. Example: avoid using "grt" instead of "great".