Mario Spends His Entire Income Purchasing Soccer Balls and Running

Mario spends his entire income purchasing soccer balls and running shoes. How must he allocate his entire income buying soccer balls and running shoes in order to realize consumer equilibrium?

A) in such a way that his total utility from both soccer balls and running shoes is maximized
B) in such a way that his marginal utility per dollar spent on soccer balls is equal to the marginal utility per dollar spent on running shoes.
C) in such a way that his total utility per dollar for both soccer balls and running shoes are equal
D) in such a way that his marginal utility from soccer balls is equal to his marginal utility from running shoes