BlackRock (blackrock.com) has an exchange traded equity fund, i60 (blackrock.com/ca/individual/en/products/239832/ishares-sptsx-60-index-etf). The i60 trades on the Toronto Stock Exchange (tmx.com) and invests in 60 firms that comprise the S&P/TSX 60 Index. Explain the advantage of investing in exchange traded funds relative to buying the stocks outright, and relative to buying index funds from banks.