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 VEL Action 0 $ 130 Buy ) whares 1 150 Seil lahate 150 Sell 1 whare 3 150 Sell i share a. Calculate the time-weighted geometric average return on this portfolio. (Do not round intermediate calculations. Round your answer to 2 decimal places.) Geometrie average retum b. Calculate the time weighted arithmetic average return on this portfolio (Do not round Intermediate calculations. Round your answer to 2 decimal places.) Arithmetic average retur c. Calculate the dollar-weighted average return on this portfolio. (Do not round intermediate calculations. Round your answer to 2 decimal places.) Dollar-weighted average return