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| March 31, 2013 |
|
| March 31, 2012 |
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|
|
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|
|
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| Period end HK$:US$ exchange rate |
|
|
| $ 7.7742 |
|
|
| $ 7.7642 |
|
| Average twelve-months ended HK$:US$ exchange rate |
|
|
| $ 7.7769 |
|
|
| $ 7.7759 |
|