23. Brenda, Inc. makes wooden tables. Each table requires 28 pounds of lumber to produce. The sales forecast for March is 1,600 tables. Estimated beginning and desired ending inventories for March are the following: Estimated Beginning Inventory Desired Ending Inventory Tables Lumber (pounds) 500 720 18,000 20.500 (a.) Calculate the number of tables to be produced in March. (b.) Calculate the number of pounds of lumber to be purchased in March