5.Johnny has allocated $30 toward coffee and tea and feels that coffee and tea are perfect substitutes. Due to
differences in caffeine levels, his MRS of tea for coffee equals 2. If coffee and tea sell for the same price, Johnny
will
(A) spend all $30 on tea.
(B)spend all $30 on coffee.
(C)spend $20 on coffee and $10 on tea.
(D)be indifferent between any bundle of coffee and tea costing $30.
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