Lead Time Is the Amount of Time Between

Lead time is the amount of time between:

A) the recognition that an order needs to be placed and the arrival of the needed merchandise.
B) manufacturing a product and taking the product to the warehouse.
C) the conception of a product idea and the manufacture of a product.
D) the conception of a product idea and the procurement of raw materials.
E) procuring the necessary raw materials and assembling the raw materials to a finished product.