You are the manager of the Mighty Fine mutual fund. The following table reflects the activity of the fund during the last quarter. The fund started the quarter on January 1 with a balance of $80 million. Required: a. Calculate the quarterly arithmetic average return on the fund. (Do not round intermediate calculatisn f Round your answer to 2 decimal places.) b. Calculate the quarterly geometric (time-weighted) average return on the fund. (Do not round intermediate calculations. Round your answer to 2 decimal places.) . Calculate the quarterly dollar-weighted average return on the fund. (Do not round intermediate calculations. Round your answer - 2 decimal places.)