Update PosSystem.java
recognized MainJFrame
beginning work on RecieptsJFrame
continuing work on Receipts
increasing inventory from a customer return

i havent added the product yet to the count this would just be for inventory so far. if you have any suggestions i'd love to hear them thanks
same as the first document..just product sold

this is the same as the first document i posted except instead of increasing the quantity of inventory it decreases so basically a sale
all windows built
Merge pull request #38 from SpyMaster356/GUI

Gui
Merge pull request #39 from SpyMaster356/master

updating