Pregunta: A broker from the stock house talks with a very important businessman about making a good investment to increase his monetary coffers. The broker states that he must invest $5,000 next semester in two types of investments: The investment in CETES and the investment in NASDAQ. CETES offer a gain of 5% and NASDAQ 8%. Forecasts indicate that at least 25% should

A broker from the stock house talks with a very important businessman about making a good investment to increase his monetary coffers. The broker states that he must invest $\$5,000$ next semester in two types of investments: The investment in CETES and the investment in NASDAQ. CETES offer a gain of $5\%$ and NASDAQ $8\%$. Forecasts indicate that at least $25\%$ should be allocated in CETES and at most 50\% in NASDAQ. In addition, the CETES investment must be at least half of the NASDAQ investment. The entrepreneur is interested in knowing how much money should be invested in each of the two alternatives. (USE THE GRAPHIC METHOD)