At her current level of consumption, Jess gets half as much marginal u

At her current level of consumption, Jess gets half as much marginal utility from an additional bagel as from an additional muffin. If the price of muffin is $2 each, then Jess is maximizing her utility if the price of a bagel is:选项： A:$1.00; B:$4.00; C:$2.00; D:$1.50

At her current level of consumption, Jess gets half as much marginal utility from an additional bagel as from an additional muffin. If the price of muffin is $2 each, then Jess is maximizing her utility if the price of a bagel is:
选项：

A:$1.00;
B:$4.00;
C:$2.00;
D:$1.50