b) Consider the following relations, Item Number ii. 1 iii. 2 3 Shop_ID 84620 45632 86145 Item Name Burger Pizza sandwich Shop_details Name A B C Inventory Available 10 5 6 Address Uttora Gulshan Dhanmondi Demand 8 15 10 Shop_ID 45632 84620 Write relational algebra to, i. Find out the product names which have available product quantity in between 5 to 8. 45632 Find out those shop names with addresses who have a demand greater than 8 or less than 3. Find out the output relation for, A) TT Address, Item_Number (o Shop_ID > 50000 (Inventory Shop_details)) B) Name, Available, Item_number( o Available>5(Shop_details X Inventory)