In: Finance
| 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.)
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