A manager buys three shares of stock today, and then sells one of those shares each year for the next 3 years. His actions and the price history of the stock are summarized below. The stock pays no dividends.Time Price Action0 $ 190 Buy 3 shares1 200 Sell 1 share2 200 Sell 1 share3 200 Sell 1 sharea.Calculate the time-weighted geometric average return on this "portfolio." (Do not round intermediate calculations. Round your answer to 2 decimal places. Omit the "%" sign in your response.)Geometric average return %b.Calculate the time-weighted arithmetic average return on this portfolio. (Do not round intermediate calculations. Round your answer to 2 decimal places. Omit the "%" sign in your response.)Arithmetic average return %c.Calculate the dollar-weighted average return on this portfolio.(Do not round intermediate calculations. Round your answer to 2 decimal places. Omit the "%" sign in your response.)Dollar-weighted average return %