File list (Check if you may need any files):
PriceFolder
...........\PriceProject
...........\............\build
...........\............\.....\classes
...........\............\.....\.......\priceproject
...........\............\.....\.......\............\BestPrice.class
...........\............\.....\.......\............\JOpionPane.class
...........\............\build.xml
...........\............\manifest.mf
...........\............\nbproject
...........\............\.........\build-impl.xml
...........\............\.........\genfiles.properties
...........\............\.........\private
...........\............\.........\.......\private.properties
...........\............\.........\project.properties
...........\............\.........\project.xml
...........\............\src
...........\............\...\priceproject
...........\............\...\............\BestPrice.java
...........\............\...\............\JOpionPane.java
...........\............\test