Basic Biomechanics 5th Edition by Susan Hall

Exercise 6

Wendell invests $10,000 in a stock portfolio made up of Petroleum Special at $30 per share, Newshoe at $12 per share, and Beans Sprouts at $2.50 per share. He places 60% of the money in P.S., 30% in N, and 10% in B S. With market values changing (P.S. down $3.12, N up 80%, and B S up $0.20), what is his portfolio worth six months later?