I have a table which has a bunch of columns but the two relevant ones are:

`Due_Amount MONEY  

Bounced_Due_Amount MONEY`

I have a SQL query like the following

`SELECT * FROM table WHERE (Due_Amount > 0 OR Bounced_Due_Amount > 0)`

Would the best index to put on this table for SQL Server 2008 be an index which includes both columns in the index, or should I put an separate index on each column?