1. Tim's portfolio contains two stocks, Light co and Shine co. Last year his portfolio returned 14 percent. Lightco's return was 5 percent and Shine co returned 20 percent. What are the weights of each in Tim's portfolio? The following year Tim adds a third stock, Bright co, and relocates his funds among the three stocks. Light co and Shine co have the same weight in the portfolio, and Brightco's weight is one-half of Light co. During the year Light co returns 10 percent, shine co returns 12 percent, and bright co loses 5 percent. What was the return on his portfolio?