Read data from an excel file and enter this into an excel spreadsheet (there are three tabs in the Excel document: Q1_Q2-2012, Q3_Q4-2012, and Q1-2013). There are three corresponding PDF files to reference for the data). We started the first tab in the Excel document to show how we like the job to be done. There are total about 2500 invoice line entry (each line entry with 5 columns). Zero dollar invoices will need to be entered as well.