You have the following information for Pharoah Gems. Pharoah uses the periodic method of accounting for its inventory transactions. Pharoah only carries one brand and size of diamonds-all are identical. Each batch of diamonds purchased is carefully coded and marked with its purchase cost. March 1 Beginning inventory 177 diamonds at a cost of $362 per diamond. 3 Purchased 236 diamonds at a cost of $413 each. 5 Sold 220 diamonds for $708 each. 10 Purchased 397 diamonds at a cost of $452 each. 25 Sold 464 diamonds for $767 each.