Write a query that returns the alphabetized first letter of the customer's last name and the count of active and inactive customers for only those letters where the count of active customers is greater than 30. Label the columns as follows: starts with is the first column and the first letter of the customer's last_name. active_count is the second column and the count of active customers (as defined in the textbook examples of Chapter 11). inactive_count is the third column and the count of inactive customers (as defined in the textbook examples of Chapter 11). The output should look like the following: starts with active_count | inactive_count | B 1 G | H M | IR | S | W 1 8 rows in set (0.00 sec) 55 1 49 1 42 1 49 1 57 | 38 | 54 | 37 | 01 31 11 01 21 21 01 11