Answer:
20.8%
Explanation:
The computation of the expected return of the combined new portfolio is shown below:
= (Expected return of the Iron stock × weightage of iron stock) + (expected return of the copper stock × weightage of copper stock)
= (25% × 30%) + (19% × 70%)
= 7.5% + 13.3%
= 20.8%
The weighatge of current portfolio is come from
= 100% - 30%
= 70%