As stated in your text, "A longer time horizon when investing in a portfolio of stocks and treasury bills and the law of averages is thought to imply that because of its positive risk premium, the market will surely outperform treasury bills. Therefore, some argue that longer-horizon investors can allocate higher portions of their portfolios to the market." Additionally, many financial advisors tell clients? that the longer they have before they need the money the more aggressive they can be with their investment portfolio. After reading the above, explain what is meant by these sentences and discuss both the argument for and against them