Richie holds a stock portfolio of two stocks. The portfolio's return is the weighted average of the returns of the component stocks. Stock A had a return of 10.0% and Stock B had a return of 13.0%. If Stock A constitutes 40% of Richie's stock portfolio, what is the return on the portfolio?

A. 11.8%

B. 10.7%

C. 0.1%

D. 11.0%

E. 11.4%

Jordan has a three-stock portfolio. The returns of the three stocks are shown below: Stock Return X 8% Y 9% Z 13% Stock X makes up 30% of Jordan's portfolio, and the portfolio has a return of 10.3%. How much of Jordan's portfolio consists of Stock Y?

A.70%

B.40%

C.50%

D.30%

E. 80%