Comparison of returns. WG Investors is looking at three different investment opportunities. Investment one is a five-year imvestment with a cost of $180 and a promised payout of 5360 at maturity ievestment two is a seven-year imestment with a cost of $180 and a promised payout of $486. Irvestment three is a ten year invostment with a cost of 5180 and a promised payout of 5792 . WG Investors can take on only one of the three invesiments. Assuming that all three investment opportuinities have the same level of risk, calculate the effective annisal retum for each investment, and select the best investment choice. What is the effecilve annwal relist for investment one. a five year investment with a cost of $180 and a promiged payout of $360 at maturity? 6 (Round to two decimal places)