Problem 8 (3 pts): If we are given the following table ORDER ITEMS Ondern ISBN Quantity 0-672-31697-8 0-672-31769.9 0-672-31769.9 0-672-31509-2 0-672-31745-1 Write a relational algebra expression that will produce the following table (you needn't use rename operation, but you need to give the correct algebra expression). ORDER_ITEMS ISBN Quantity 0-672-31697-8 0-672-31769.9 0-672-31509-2 0-672-31745-1 Ans