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What annual rate of return is earned on a $1,000 investment when it grows to $1,800 in six years? (Do not round intermediate calculations and round your final answer to 2 decimal places.) Annual rate of return % Determine the interest rate earned on a $1.400 deposit when $1,800 is paid back in one year. (Round your answer to 2 decimal places.) Interate Ter ago, Halley invested $2,000 and locked in a 9 percent annual interest rate for 30 years (ending 20 years from now). Aidan can make a 20-year investment today and lock in a 10 percent interest rate. How much money should he invest now in order to have the same amount of money in 20 years as Halley? (Do not round intermediate calculations. Round your answer to 2 decimal places.) Present value