(Portfolio expected rate of return) Barry Switter is 60 years of age and considering retirement. Barry's retirement portfolio currently is valued at \$750,000 and is allocated in Treasury bills, an S8P 500 index fund, and an emerging market fund as follows: a. Based on the current portfolio composition and the expected rates of return given above, what is the expected rate of return for Barry's portfolio? b. Barry is considering a reallocation of his investments to include more. Treasury bills and less exposure to emerging markets. If Barry moves all of his money from the emerging market fund and puts it in Treasury balis, what will be the expected rate of retum on the fesulting portfolio? a. Based on the current portfolio composition and the given expected rates of retum, the expected rate of return for Barry's portfolio is decimal places.) b. If Barry moves all his money out of emerging market funds and puts it in Treasury bills, the expected rate of return for his portfolio is decimal places, b. Barry is considering a realloc composition and the expected rates of retu given above, what is the expected rate of ret Data table