Minor upgrades in an accounting system

1. In home page, Total Cost of Inventory always shows current cost of inventory and total customer debts always show current. 2. List of sales shows profit for each invoice (Total selling price – Total purchase price), and in the bottom show the total profit calculation for the invoices in the list. 3. In the sales report (Print Screen), Change the color of total debts to red and make its size a little bigger. 4. During add Purchase, the list must remain stable (not scrolling down) after multiple inputs (just like sales list). 5. Make the List of purchases printable 6. In Inventory, Make the upper left switch work like this: Off (Default) = Show products in inventory, On= show products that are in products list but not in inventory currently. 7. Fix the very slow loading of all tables with big data. 8. Make possible to import purchase list (from Excel) in two steps (second step for confirmation). 9. Fix Calculation inaccuracy in Profit/Loss Report. 10. Fix the problem of loading Sales Report Header image.