For Remanufactured Products, the Demand Is Dependent on the Sales

Multiple Choice

For remanufactured products, the demand is dependent on the sales of previous new products.What manufacturing and control activities are directly influenced by this fact?
1) Forecasting demands
2) New product sales
3) Core acquisition
4) Core disassembly

A) (1)
B) (3) and (4)
C) (1) and (3)
D) (2) , (3) , and (4)