The present value of $12,000 for six years compounded at 6% semiannually is:

In 6 years, you will have $17,109.13 at 6% semiannually compounded.

Plug the values into the following formula: A x [ (1 + (R/2)) ^ (N x 2) ]. In the formula, "A" represents the initial investment amount, "R" represents the annual interest rate as a decimal and "N" represents the number of years you will own the investment. In this example, the formula would be $20,000 x [ (1 + (0.06/2)) ^ (5 x 2) ].