3.
The above table gives Sue's marginal utility schedules for sub sandwiches and Mountain Dew, the only products Sue consumes. Suppose the price of a sub sandwich is $4 each and the price of a Mountain Dew is $2 each. Sue's income is $12. If Sue is at a consumer equilibrium, she eats ______ sub sandwich(es) and drinks ______ Mountain Dews.
(A) 1; 4
(B) 3; 0
(C) 0; 6
(D) 2; 2

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