EX2. Selena invests the following sums of money in common stocks of money in common stocks having expected returns as follow:

Common stock $ Amount invested Expected return

A 6,000 0.14

B 11,000 0.16

C 9,000 0.17

D 7,000 0.13

E 5,000 0.20

F 13,000 0.15

G 9,000 0.18

What is the expected return on her portfolio?