WO 08 -0.07 000 D.ch Tolgiga Information for 015 to 017 (Sales & Operations Planning): Consider a Sales & Operations Planning problem. There are 13 weeks in a quarter and the company operates ao hours per week. Each unit takes 26 hours to 15. The number of workers needed to make 1,000 units in a single quarter would be: A) 25 B) 40 050 D) 80 16. The workforce balance constraint for any quarter may be written as: A) Ending Workforce Hires - Layoffs B) Beginning Workforce - Ending Workforce. Hires - Layoffs C) Beginning Workforce - Hires - Layoffs COD Ending Worloge Beginning Workforce Hires - Layoffs 17. The material balance constraint for any quarter may be written as: A) Ending Inventory - (Beginning Inventory - Beginning Backlog) + Production-Demand 8) Ending Inventory - Beginning inventory Production - Demand C) (Ending Inventory - Ending Backlog) - Beginning inventory Production-Demand D) (Ending Inventory - Ending Backlog) (Beginning Inventory -- Beginning Backlog) + Production - Demand