The real value of your savings given the level of depreciation and the price levels is $1,111.
Deflation is when there is a persistent decline in the general price levels. The price of goods and services become cheaper when there is a deflation. As a result the purchasing power or the real value of money increases.
The price level declines by 10% so the real value of the savings increases by 10%.
1000 / ( 1 - 0.1) = $1,111.
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