please i have 20 minutes left

We have 2 scenarios. One optimistic and a second pessimistic. The optimistic scenario has a probability of 40% to occur. The pessimistic scenario has a probability of 60% to occur. In the optimistic scenario, Asset A generates 7% as returns, Asset B generates 10% as returns, and Asset C generates 12% as returns. You invest 10% of your money in A, 40% in B and the remaining in C. In the pessimistic scenario, Asset A generates 2% as returns, Asset B generates 5% as returns, and Asset C generates 7% as returns. You invest in A, B, and in the same way as in the optimistic scenario. What is the expected return on this portfolio considering the two scenarios? 7.70% 7.60% None of the suggested answers. 7.80% 7.50%