According to Table 8-7, which describes an investment problem, suppose that Ivana has decided that the amount invested in stocks cannot exceed one-fourth of the total amount invested. Which is the best way to write this constraint?

A) S ? 100,000/4
B) 0.13S ? 0.24C + 0.32M
C) -C + 4S - M ? 0
D) S ? (C + M) / 4
E) -C + 3S - M ? 0

E