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4. Mortgage-backed Securities: Mortgage-Backed Securities Available for Sale (Tables) | 12 Months Ended
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Mar. 31, 2013
Tables/Schedules |
Mortgage-Backed Securities Available for Sale |
March 31, 2013 |  | Amortized Cost |  |  | Gross Unrealized Gains |  |  | Gross Unrealized Losses |  |  | Estimated Fair Value |
Real estate mortgage investment conduits | $ | 230 |  | $ | 7 |  | $ | - |  | $ | 237 |
FHLMC mortgage-backed securities |  | 183 |  |  | 8 |  |  | - |  |  | 191 |
FNMA mortgage-backed securities |  | 3 |  |  | - |  |  | - |  |  | 3 |
Total | $ | 416 |  | $ | 15 |  | $ | - |  | $ | 431 |
March 31, 2012 |  |  |  |  |  |  |  |  |  |  |  |
Real estate mortgage investment conduits | $ | 319 |  | $ | 10 |  | $ | - |  | $ | 329 |
FHLMC mortgage-backed securities |  | 613 |  |  | 23 |  |  | - |  |  | 636 |
FNMA mortgage-backed securities |  | 8 |  |  | 1 |  |  | - |  |  | 9 |
Total | $ | 940 |  | $ | 34 |  | $ | - |  | $ | 974 |

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