Answer:Correct option-(b)
Explanation:
Lean manufacturing is defined as the process in which decrement on waste is focused upon while the manufacturing process is carried out.It also tends to improve the productivity though low waste.This helps in increment in product quality as well as cost of operation is decreased.
Other options are incorrect because inventories of the resulting product is not highly maintained. Certain amount of product production and self sufficiency is also not the aim of lean manufacturing.
Thus, the correct option is option(b).