hurry please

Name the method whereby an investor purchases the same dollar amount of a fund at regular intervals so that they tend to buy more shares at cheaper prices, and less shares at higher prices. (Be specific). 1 x Fi A- BI iii TII % I A premium or discount relative to the NAV is typically associated with this type of fund? 1 x FI A BI E The tax on the long-term gain on a commodity ETF is 15%? (True / False)? 1 x F A