A dloud Add notes PROBLEMA Use the following to answer questions 20-22: Last month, Wisconsin Windows and Doors had sales of $600,000. They spent the following: Labor SI50,000 Materials $100,000 Energy $ 30,000 Equipment $ 60,000 What was the labor productivity? A) 4 B) 20 C) 1.76 D) 3.75 21) What was the multi-factor productivity based on materials and equipment? A) 20 B) 1.76 C) 4 D) 3.75 22) What was the total factor productivity? A) 20 B) 1.76 C) 4 D) 3.75 PROBLEME The following table contains information about a project. Use it to answer the problems 23-25: Activity Normal Nomal Crash Crash Immediate Time Cost Time Cost Predecessors 3.XOXO 5,000