Here are closing share prices (adjusted to include dividends) of 5 companies with past12 months of data and adjusted closing prices for the ASX200 index. Calculate, present and discuss the main summary statistics of monthly returns for each REIT and the overall market index. How does the risk and return characteristics of each REIT compare to the overall market index? Show your analysis process.

Date	AXJO	GMG	CHC	DXS	MGR	SGP
2019/10/1	6663.400	14.093	10.923	11.419	3.108	4.611
2019/11/1	6846.000	14.514	10.449	11.667	3.263	4.762
2019/12/1	6684.100	13.094	10.710	11.161	3.079	4.357
2020/1/1	7017.200	14.744	12.623	12.414	3.355	4.773
2020/2/1	6441.200	14.833	12.250	11.867	3.000	4.569
2020/3/1	5076.800	11.981	6.733	8.871	2.062	2.454
2020/4/1	5522.400	13.021	7.509	8.939	2.210	2.794
2020/5/1	5755.700	15.219	9.511	8.783	2.319	3.463
2020/6/1	5897.900	14.704	9.511	8.978	2.141	3.211
2020/7/1	5927.800	16.930	10.520	8.510	2.090	3.190
2020/8/1	6060.500	18.310	12.510	8.830	2.110	3.960
2020/9/1	5815.900	17.940	12.430	8.890	2.180	3.780