Question: Write a query to display the lowest average cost of books within a subject and the highest average cost of books within a subject (Figure

Write a query to display the lowest average cost of books within a subject and the highest average cost of books within a subject (Figure P7.109).

Figure P7.109 Lowest and Highest Average Subject Costs Lowest Avg Cost Highest Avg Cost 66.62 89.95

Figure P7.109 Lowest and Highest Average Subject Costs Lowest Avg Cost Highest Avg Cost 66.62 89.95

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