Adding columns to excel files using Perl

How do I add 4 columns to an excel file using Perl? The 4 headers for those columns will all have different names? Please help and I greatly appreciate...

Give a man a fish, you fed him once. Tech him how to fish, you fed him for life.

Spreadsheet::WriteExcel - Write to a cross-platform Excel binary file. - search.cpan.org

Good luck