Which of the Following Statements Regarding the Manufacturing Systems Are

Multiple Choice

Which of the following statements regarding the manufacturing systems are correct?
1) For a MRP system, customer demand forecast is essential for material control
2) For a pull system, larger lot sizes and shorter lead times are required
3) For a pull system, a JIT philosophy needs to be solidified within the organization
4) For a Kanban system, each work station need to respond independently from other work stations

A) (1)
B) (1) and (3)
C) (1) , (3) and (4)
D) (4)