Answer:
Portfolio return = 7.3%
Explanation:
The portfolio expected rate of return would be the weighted average expected rate of return
Weighted average expected rate of return=
12%× (1000/(3500+1000) + (3,500/(1000+3500)× 6%= 0.073333333
Expected rate of return = 0.073333333 × 100 = 7.3%
Portfolio return = 7.3%