Stock AAA pays semiannual dividends. The stock has just paid a dividend, thus the next dividend is expected to be paid in exactly 6 months and each subsequent dividend is expected to be paid 6 months after the previous dividend. It is expected that the amount of the dividend paid 6 months from today will be $3.50 and that each subsequent dividend after the dividend coming 6 months from today will be 1.7% greater than the previous dividend. The price of the stock is $140 What is the semiannually compounded annual discount rate being used to value the stock? Round all calculations to 6 decimal points. Your final answer should be within 0.05% of the correct answer choice. 8.40% 5.00% 2.50% 4.20%