Consider a portfolio that consists of an equal investment in 7 firms. For each of these firms, there is a 6% probability that the firms will have a 16% return and a 94% probability that they will have a -8% return. Each of these firms' returns is independent of all others. The expected return of this portfolio is closest to:

-5.56%

-4.56%

-6.56%

-7.56%