What is the total value of orders placed for each item? Report under these column headings:  ITEM_NUM, DESCRIPTION, TOTAL_VALUE

(NOTE: Value will be based on a total of  ( price x quantity) for each order line for the item.)

REP (REP_NUM, LAST_NAME, FIRST_NAME, STREET, CITY, STATE, POSTAL_CODE, COMISSION, RATE)

CUSTOMER (CUSTOMER_NUM, CUSTOMER_NAME, STREET, CITY, STATE, POSTAL_CODE, BALANCE, CREDIT_LIMIT, REP_NUM)

ORDERS (ORDER_NUM, ORDER_DATE, CUSTOMER_NUM)

ORDER_LINE (ORDER_NUM, ITEM_NUM, NUM_ORDERED, QUOTED_PRICE)

ITEM (ITEM_NUM, DESCRIPTION, ON_HAND, CATEGORY, STOREHOUSE, PRICE)