Refer to Table 10.1. What was the average real return for Treasury bills from 1926 through 1932?

94 86 70 02 29 52 92 83 79 95 80 10 43 42 65 11 06 90 75 67 54 32 70 61 68 39 55 38 88 26 42 54 08 09 72 50 96 4. 0212 76 91 16 99 11 53 03 51 09 71 15 44 04 09 32 46 28 59 70 22 76 16 30 08 62 34 35 2-5-0 49-26 39 32-88 22 5 20 8 22 11 37 2 11 12 22 5 11 10 10 75 10 39 25 7 35 92 55 56 27 73 67 25 61 69 10 46 62 08 32 58 96 36 58 04 10 89 10 68 88 91 79 49 00 46 06 11 27 06 04 04 14 34 06 94 39 01 26 86 85 88 34 22 80 26 20 91 08 77 07 76 69 46 18 24 10 06 58 55 50 10 40 43 63 85 34 90 48 81 78 69 36 36 43-8 25 40,-8 52-2 47 32 26, 23,-0 10. 11. 21. 25. 19, 30, 8. 5. 18. 30. 24. 18.-1 52 31 6. 10. 40, 11 0. 26,-8 22. 16. 12. 10. 23. 11.