part b only

Suppose you invest $20,000 by purchasing 200 shares of Abbott Labs (ABT) at $50 per share, 200 shares of Lowes (LOW) at $30 per share, and 100 shares of Ball Corporation (BLL) at \$40 per share. A) What is the weight on Abbott Labs in your portfolio? B) Suppose over the next year Ball has a return of 12.5%, Lowes has a return of 20%, and Abbott Labs has a return of 10%. What is the return on your portfolio over the year