Date	Closing Market Index value	Closing Price for WMT	Closing Price for V
2/1/2017	2278.87	70.93	87.94		WMT is Walmart
3/1/2017	2363.64	72.08	88.87		V is Visa
4/1/2017	2362.72	75.18	91.22
5/1/2017	2384.20	78.60	95.23
6/1/2017	2411.80	75.68	93.78
7/1/2017	2423.41	79.99	99.56
8/1/2017	2470.30	78.07	103.52
9/1/2017	2471.65	78.14	105.24
10/1/2017	2519.36	87.31	109.98
11/1/2017	2575.26	97.23	112.59
12/1/2017	2647.58	98.75	114.02

From the data above calculate the following:

a) the monthly return for WMT

b) the monthly return for V

c) the monthly market return