Because business is growing and the movie stock is increasing at more movie rentals, the manager wants to do more inventory evaluations. one item of interest is any movie with a total stock value of $75 or more. the manager wants to focus on the revenue these movies are generating to make sure the stock level is warranted. to make these stock queries more efficient, the application team decides to add a column named stk_flag to the mm_movie table that stores an asterisk (*) if the stock value is $75 or more. otherwise, the value should be null. add the column and create an anonymous block containing a cursor for loop to perform this task. the company plans to run this program monthly to update the stk_flag column before the inventory evaluation