Given the following share price history, what is the arithmetic average return per share?

Year	Share price
1	$22
2	$26
3	$30
4	$28
5	$25

Select one:

a. 13.64%

b. 4.05%

c. 3.24%

d. 5.36%

e. 32.75%

I keep getting 3.24% but apparently the answer is 4.05%

Could someone explain step by step how to get 4.05%

PLEASE DO NOT USE EXCEL