A money market mutual fund that aims to achieve an optimal level of income while maintaining a high degree of liquidity, through investments in money market instruments with maturities of less than one (1) year and/or debt securities with maturities of no more than one (1) year and/or remaining maturities of no more than one (1) year, which are offered through a public offering and traded in domestic and/or international markets, and/or in deposits.