The following table shows historical beginning-of-year prices for a stock and the sum of dividends paid throughout the year.

	A	B	C
1	Year	Price	Dividends
2	2014	31.9	1.21
3	2015	29.97	1.21
4	2016	29.34	1.21
5	2017	30.54	1.25
6	2018	28.24	1.25
7	2019	30.01	1.25
8	2020	27.7	1.3
9	2021	27.73	1.3
10	2022	28.61

Part 1

What was the arithmetic average annual return?

Part 2

What was the standard deviation of returns?