Find the annualized expected return from the monthly historical prices

S&P 500 Closing Data
Date	Adjusted Close
12/1/2021	5579.17
11/1/2021	5499.74
10/1/2021	5446.14
9/1/2021	5468.05
8/1/2021	5512.62
7/1/2021	5523.01
6/1/2021	5506.37
5/1/2021	5591.67
4/1/2021	5553.66
3/1/2021	5505.94
2/1/2021	5456.71
1/1/2021	5352.50
12/1/2020	5308.39
11/1/2020	5205.87
10/1/2020	5234.72
9/1/2020	5116.48
8/1/2020	4980.93
7/1/2020	4868.03
6/1/2020	4753.49
5/1/2020	4765.17
4/1/2020	4741.41
3/1/2020	4487.09
2/1/2020	4558.93
1/1/2020	4432.05
12/1/2019	4366.69
11/1/2019	4396.70
10/1/2019	4318.38
9/1/2019	4364.92
8/1/2019	4390.30
7/1/2019	4263.71
6/1/2019	4259.57
5/1/2019	4272.53
4/1/2019	4200.17
3/1/2019	4155.09
2/1/2019	4063.07
1/1/2019	4118.57
12/1/2018	4136.95
11/1/2018	4092.12
10/1/2018	3973.75
9/1/2018	3957.08
8/1/2018	3864.84
7/1/2018	3922.14
6/1/2018	3849.51
5/1/2018	3863.11
4/1/2018	3837.32
3/1/2018	3795.49
2/1/2018	3794.01
1/1/2018	3727.46
12/1/2017	3667.89
11/1/2017	3558.62
10/1/2017	3555.23
9/1/2017	3480.74
8/1/2017	3398.68
7/1/2017	3406.39
6/1/2017	3437.38
5/1/2017	3424.94
4/1/2017	3379.40
3/1/2017	3327.73
2/1/2017	3300.41
1/1/2017	3305.72
12/1/2016	3232.00

Company b =	1.04
Risk Free Rate (Rf) =	3.00%