During 2019 an investment account had transactions and balances as follows. Withdrawal Fund value before transaction Date Deposit 1000 1/1/2019 500 1600 4/1/2017 950 8/1/2017 250 1270 800 (Please do not use excel) (a) Compute the internate rate of return for 2019. (b) Compute the dollar-weighted rate of return for 2019. (c) Compute the time-weighted rate of return for 2019. During 2019 an investment account had transactions and balances as follows. Withdrawal Fund value before transaction Date Deposit 1000 1/1/2019 500 1600 4/1/2017 950 8/1/2017 250 1270 800 (Please do not use excel) (a) Compute the internate rate of return for 2019. (b) Compute the dollar-weighted rate of return for 2019. (c) Compute the time-weighted rate of return for 2019