Lavalle Company invested $20,000 for 9 years at 6% with interest compounded annually. Lavalle will receive the entire amount (principal plus interest) at the end of the 9-year period. What is the future value of this single sum using the formula approach? Begin by selecting the future value formula Now, compute the future value of the single sum using the future value formula. (Use factor amounts rounded to four decimal places, X.XXXX. Round your final answer to the nearest whole dollar.) The future value of the single sum is $