(Portfolio expected rate of return) Barry Swifter 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 S&P 500 index fund, and an emerging market fund as follows ! a. Based on the current portfolo 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 put it in Treasury bills what will be the expected rate of return on the resulting portfolio? a. Based on the current portfolio composition and the given expected rates of return the expected rate of return for Barry's portfolio in IX (Round to two decimal places) b. It Barry moveu all his money out of emerging market funds and puts it in Treasury bills, the expected rate of reum for his portfolio is I (Round to two decimal places) Data Table Expected $ Value Return Treasury bills 3.1% 52,000 S&P 500 Index Fund 7.8% 478,000 Emerging Market Fund 12.5% 220,000 (Click on the icon in order to copy its contents into a spreadsheet.)