Q$5$ List titles, cost, retail and profit margin for all books that have a profit margin under $55\%.$ Make sure to assign a descriptive column name for the calculated field. Profit margin is calculating by the following formula:

$((retail-cost)\frac{?}{?}cost)**100$

Q$6$ Complete Question $10$ from p$.292$ of your textbook. Submit three different queries.

After running the statements within your database, copy and paste into a text document, save and submit through this assignment tool as a text file attachment, or copy$/$paste into the text Suhmiccinn