Assume that X, Y, and Z are the dollars invested in three different common stocks from Shanghai Stock Exchange: Stock x, Stock y, and Stock z, respectively. In order to diversify the investments, the investing company requires that no more than 36% of the dollars invested can be in "stock z" The constraint for this requirement can be written as:

A) 0.36x - 0.64y - 0.64 0.

B) 0.64x - 0.64y + 0.36z 0.

C) z .0.36.

D) 0.36x + 0.36y -0.64z 0.