1. Update Price When appending When editing grid Add quantity to grid Get stock # from db using name Get price from DB using stock Calculate price (grid quant * item price) Update grid with e row Update SubTotal

2. Enter Item (Checkout) Get item info from db with given stock # Checks if item exists on grid NoYes Adds item to gridUpdates item quantity on grid Updates Price

3. Creating Logs Pay Now Finished Transaction Log Transaction Compile array from grid items Append log with new info Date Item [x], Quantity, Cost (per item), Price (per item) ~ (separator)

4. Read by Writes to DB Processing DB Current Checkout End Transaction DB Log Manage Inventory Reporting System Parts Files Actions Add Item To Cart Load Items Calc Remaining Percentage