(40 points) Suppose that an individual can buy shares of K assets, X1, . . . , X K whose return next period (per dollar invested} is described by identical and independent distributions. '1he individual has wealth to to invest and has a strictly concave and strictly increasing Bernoulli utility function it over wealth. Let a = ((11, . . . , org) denote the portfolio of the individual, i.e., f} 5 on,-