แก้คำให้ถูกต้อง

Sales manager Duties: Coordinated production and selling of two kinds of products: created production plans, purchased raw materials, scheduled cash flow, made decisions of purchasing and selling materials and products, cooperated with customers and suppliers, made reports of activity results.

Achievements: Ensured smooth operation of the department during the period of work; was directly involved in the organization of the commercial department during the start-up of new production