Question: 4 . Write a query that returns the age, sub _ cateogry, average quantity ( as a whole number ) , and average cost of

4. Write a query that returns the age, sub_cateogry, average quantity (as a whole
number), and average cost of products purchased by each age and sub_category.
Output should show the columns in the same order they are listed. Organize the data by
age, oldest to youngest, and then by sub_category alphabetically.

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