Answer:
15.45%
Explanation:
Expected return of portfolio = (R1*W1) + (R2*W2 ) + (R3*W3) (Where R means Expected Return of stock and W means Weight of stock)
Expected return of portfolio = (15%*0.25)+(18%*0.45)+(12%*0.30)
Expected return of portfolio = 3.75% + 8.1% + 3.6%
Expected return of portfolio = 15.45%
So, the expected return of the portfolio above is 15.45%