Hi I'm struggling with this question can u help please?

QUESTION 13 Anna cares about her present and future consumption. Anna prefers consumption plan A to consumption plan B if and only if plan A provides Anna with a larger lifetime (aggregate) consumption than plan B: Oa. Present and future consumption are perfect complements for Anna O b. If the interest rate is positive, Anna will save all her present income O c. If the interest rate is positive, an increase in the interest rate will increase Anna's savings Od. Anna neither saves nor borrows, for any interest rate Oe. If the interest rate is positive, an increase in the interest rate will increase Anna's present consumption