need an answer asap please i will upvote

Consider the following five monthly returns: a. Calculate the arithenetic average monthly reburn over this period: b. Calculate the geometric average monthly return over this period. c. Calculate the monthly varlance over this period. d. Calculate the mentlly standard deviation over this period. a. Calculate the acithmese average moethly retum over this period The arithmetc average is 4. (Round to two decimal places) b. Calculate the goometric averege monthly rotum ovor thie period. The geometre average is (R. (Round to two decimal places:) c. Caiculale the monthly variance over this period. The monthly variance is 4 . (Round to three decimal places) d. Calculate the monthiy standard devation over this period. The moratily standard deviafion is 7. (Round to three decimal places.)