please answer these three objective questions. urgent

1 3 points TPS is often depicted as a house. The roof of the house is (Difficulty Level - Easy) Kaizen JIT Eliminate waste Empower the people 2 4 points Which option(s) below correctly describe the benefit(s) of line pooling? (Difficulty Level - Medium) There may be more than one correct answer. Select ALL that apply. OOOO Customers' average waiting time is shorter Customers' waits are shorter for their every single visits. Customers' waiting experiences are more stable. Always First Come First Serve 3 5 points Please identify the critical path of the project below. (Difficulty Level - Hard) C2 DS F2 G4 H2 -B 1 E7 If there are more than one critical path, please select ALL of them. (No partial credit for this question) A-B-C-F-G-H A-B-C-D-H A-B-C-D-E-F-G-H A-B-E-H