The following inventory movements took place at Gunnsa ehf. in July. pcs ISK/pcs total Inventory 01-07 30,000 2.25 67,500 Purchase of goods 06-07 20,000 2.55 51,000 Purchase of goods 26-07 27,000 2.60 70,200 Product sales 07-07 25,000 5.00 125,000 Product sales 31-07 40,000 5.00 200,000 Inventory 31-07 12,000 Gunnsi ehf. applies periodic inventory accounting and distributes product usage according to the average-cost inventory method. Where was the book value of the inventory on July 31