Year	T-bill return	Inflation
1	7.36%	8.64%
2	8.39	12.27
3	5.94	6.87
4	5.42	4.93
5	5.52	6.63
6	7.99	8.95
7	10.63	13.22
8	12.45	12.45

Calculate the standard deviation of Treasury bill returns and inflation over this time period. (Do not round intermediate calculations and enter your answers as a percent rounded to 2 decimal places, e.g., 32.16.)