Hi really need help with this assignment Oracle 12c: SQL Chapter 8 Question 3 and 5. 3. List the titles, retail price, and discount for all books that contain the word "cook" in the title. Sort by cost. 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) / cost) *100

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