Calculate the durations and volatilities of securities A, B, and C. Their cash flows are shown below. The interest rate is 9%. (Do not round intermediate calculations. Round "Duration" to 4 decimal places and "Volatility" to 2 decimal places.) Duration Period 1 95 Period 2 95 Volatility Period 3 150 A years B 75 75 230 years 65 65 220 years