Question 6 1 pts "A woman wins the lottery worth $6.64 million. The woman receives an immediate check for $664,000, and she plans to receive 18 annual checks of $332,000, with the first check coming exactly one year from now. If a buyer offers to purchase the 18 remaining checks for $2.69 million to be paid immediately, what is the buyer's annual interest rate? State your answer as a percentage with decimals. In other words, enter 8.3 not 0.083