part a and b please

3. D9, sither manager butperform the index, based on the average annual return differential that he or she produced relative to the benchmark? Use a minus sign to enter negative values, if any. Do not round intermedlate calculations. Round your answers to two decimal places. Nansger A: Manager B: Is average return is less than the index and 's average exseeded that of the inder. 3. Calculate the tracking erroc for each manager relative to the index. Which manager did a better joo of limiting his of her clien's unsystematic nisk exposure? Do not round intermediate calculations. Round your answers to two decimal places. Manager A: Manuger S: lid the better job of liming the client's exposure to unsystematic risk as the difference between manager's retures and those of the index has a standerd devisten