In a Portfolio Problem, X1, X2, and X3 Represent the Number

Multiple Choice

In a portfolio problem, X1, X2, and X3 represent the number of shares purchased of stocks 1, 2, and 3, which have selling prices of $15, $47.25, and $110, respectively. The investor has up to $50,000 to invest.
-An appropriate part of the model would be:

A) 15X1 + 47.25X2 +110 X3 ≤ 50,000
B) MAX 15X1 + 47.25X2 + 110X3
C) X1 + X2 +X3 ≤ 50,000
D) MAX 50(15) X1 + 50 (47.25) X2 + 50 (110) X3