試題詳解

4.Suppose that an individual receives utility from the consumption of X, Y, Z. We have learned that U(X, Y, Z) = 5 log(X) + 3log(Y) + 2 log(2). If the individual has $100 to spend on these items and the prices of the items are 10, 2, and 4 for X, Y, and Z, respectively. The individual will consume:
(A) X=5, Y=5,Z=10
(B) X=6, Y=10,Z=5
(C) X=4, Y=10.Z=10
(D) X=4, Y=20,Z=5
(E) None of the above