Simple List Problem

Question

I provided the source code, it basicly retrieves data from a file and read that file store it into a List then outputting it.

Below is where I am currently at, and final output, the difference is "Author Name: " and final output is "Author Name: Bruna Martinuzzi" (with respective order)

It will output like this

Department Name: Clothing
Floor: 2
Price: 23.44
Price with taxes: 26.72
Product: tennisT by Nike

Department Name: Clothing
Floor: 2
Price: 42.35
Price with taxes: 48.28
Product: Sweat Top by Reebok

Department Name: Clothing
Floor: 2
Price: 38.99
Price with taxes: 44.45
Product: Khaki Casuals by LaCoste

Department Name: Reading
Floor: 1
Price: 12.78
Price with taxes: 13.67
Title: The Leader as a Mensch
Publisher: Six Seconds
Author Name:

Department Name: Reading
Floor: 1
Price: 23.44
Price with taxes: 25.08
Title: Software Teamwork: Taking Ownership for Success
Publisher: Addison-Wesley Professional
Author Name:

Department Name: Reading
Floor: 1
Price: 45.99
Price with taxes: 49.21
Title: ASP.NET MVC 1.0
Publisher: Wrox Press
Author Name:

Department Name: Reading
Floor: 1
Price: 7.54
Price with taxes: 8.07
Magazine Name: Wired
Issue Month: September Issue Year: 2010

Department Name: Reading
Floor: 1
Price: 5.88
Price with taxes: 6.29
Magazine Name: PC World
Issue Month: September Issue Year: 2010

But I want to get it like this

Department Name: Clothing
Floor: 2
Price: 23.44
Price with taxes: 26.72
Product: tennisT by Nike

Department Name: Clothing
Floor: 2
Price: 42.35
Price with taxes: 48.28
Product: Sweat Top by Reebok

Department Name: Clothing
Floor: 2
Price: 38.99
Price with taxes: 44.45
Product: Khaki Casuals by LaCoste

Department Name: Reading
Floor: 1
Price: 12.78
Price with taxes: 13.67
Title: The Leader as a Mensch
Publisher: Six Seconds
Author Name: Bruna Martinuzzi

Department Name: Reading
Floor: 1
Price: 23.44
Price with taxes: 25.08
Title: Software Teamwork: Taking Ownership for Success
Publisher: Addison-Wesley Professional
Author Name: Jim Brosseau

Department Name: Reading
Floor: 1
Price: 45.99
Price with taxes: 49.21
Title: ASP.NET MVC 1.0
Publisher: Wrox Press
Author Name: Scott Guthrie

Department Name: Reading
Floor: 1
Price: 7.54
Price with taxes: 8.07
Magazine Name: Wired
Issue Month: September Issue Year: 2010

Department Name: Reading
Floor: 1
Price: 5.88
Price with taxes: 6.29
Magazine Name: PC World
Issue Month: September Issue Year: 2010