31.   You know in advance what the interest rate will be, and you get your principal back when the bonds mature.

32.   Your profit from a zero is the difference between the price you receive when the bond matures and the amount you paid originally.

33.   He said the bonds mature in three years and will pay interest every six months.

34.   When the bond matures they will pay the value of the bond back to the investor in Australian dollars.