The function SYSDATE above returns the current date. Assume the above PL/SQL block is executed. Select all statements which are true. a. Assuming there is a row in the product table where product_id = 23, the final value of product_inventory_date in that row is SYSDATE. b. The WHILE statement loops 30 times. c. product_inventory_date will always have exactly 30 rows updated in the product table regardless of the data in the table. d. Assuming there is a row in the product table where product_id = 23, the final value of product_inventory_date in that row is 23