HERE are the questions:

a) Please draw a timeline to explain why n=11

b)From Feb 2020 to Feb 2021, there are 13 months, why the n is not 13-1=12? Please give detailed exlpaintion

Question 6 The All Ordinaries Accumulation Index is an Australian share market index that incorporates the share prices and dividends for Australia's largest 500 companies listed on the Australian Securities Exchange (ASX). On February 1, 2010 the value of the All Ordinaries Accumulation Index was 32,576. By February 1, 2021 it had risen to 74,759. What annually compounded rate of return has this group of companies earned over this period? FV = PV(1 + i)" 74,759 = 32,576(1 + i)11 74,759 1 i= 32,576 -1 :: i = 0.078442 = 7.8442%