please show work in excel along with explanation!

1. Construct a graph of the Characteristic Line for Cin.
   1. On this graph (using EXCELs graphing features) include a trendline, the computed equation, and the R² value.
   2. Label the axes and include a title for the graph.

Month	Cin	S&P 500
1	-0.0715%	-0.5583%
2	0.0340%	0.1083%
3	-0.2371%	0.2167%
4	-0.2541%	-0.2083%
5	0.4039%	0.8167%
6	0.1050%	-0.0583%
7	0.4847%	-0.0250%
8	-0.6000%	-0.7500%
9	-0.0718%	-0.4083%
10	0.4252%	-0.0333%
11	0.1406%	0.5333%
12	-0.0691%	0.2250%
13	0.0721%	0.3667%
14	0.3884%	0.6000%
15	0.3712%	0.2000%
16	0.0285%	0.0250%
17	0.0000%	0.3583%
18	0.0984%	-0.3833%
19	0.5205%	0.3917%
20	0.0311%	0.2000%
21	0.4957%	-0.1333%
22	-0.0001%	0.1083%
23	0.6431%	0.9500%
24	-0.5185%	-0.1583%
25	0.0281%	0.1083%
26	-0.2245%	-0.1667%
27	0.2872%	0.2417%
28	-0.5385%	0.0417%
29	0.0000%	-0.1250%
30	0.0283%	-0.1667%
31	0.2825%	0.1000%
32	-0.1085%	0.0333%
33	-0.1408%	0.2833%
34	0.2147%	0.1083%
35	0.2663%	0.0583%
36	0.2888%	0.1167%
37	-0.0809%	0.2250%
38	0.5719%	0.0250%