AB organization manufactures small size cars. In the last six months it observed an increase in the inventory of manufactured cars. Manager of the production unit wants to reduce the inventory. Which principle of lean would help the manager in reducing the inventory?

AB organization manufactures small size cars. In the last six months it observed an increase in the inventory of manufactured cars. Manager of the production unit wants to reduce the inventory. Which principle of lean would help the manager in reducing the inventory?
a. Perfection
b. Value Stream
c. Pull
d. Flow