diff --git a/CM2005 Object Oriented Programming/Topic 4/4.5.8/a.exe b/CM2005 Object Oriented Programming/Topic 4/4.5.8/a.exe
index ab2f9de..95f263b 100644
Binary files a/CM2005 Object Oriented Programming/Topic 4/4.5.8/a.exe and b/CM2005 Object Oriented Programming/Topic 4/4.5.8/a.exe differ
diff --git a/CM2005 Object Oriented Programming/Topic 4/4.5.8/test.csv b/CM2005 Object Oriented Programming/Topic 4/4.5.8/test.csv
index d151e34..7cf2d93 100644
--- a/CM2005 Object Oriented Programming/Topic 4/4.5.8/test.csv	
+++ b/CM2005 Object Oriented Programming/Topic 4/4.5.8/test.csv	
@@ -1,2 +1,5 @@
-2020/03/17 17:01:24.884492,ETH/BTC,bid,13,1.0
-2020/03/17 17:01:24.884492,ETH/BTC,ask,13,1.0
\ No newline at end of file
+2020/03/17 17:01:24.884492,ETH/BTC,ask,10,1.0
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+2020/03/17 17:01:24.884492,ETH/BTC,bid,11,1.0
+2020/03/17 17:01:24.884492,ETH/BTC,bid,14,0.1
\ No newline at end of file