Weekly Usage of a Product Is 8 Units

Short Answer

Weekly usage of a product is 8 units. Since the plant operates 50 weeks per year, this leads to annual usage of 400 units. Setup cost is $40 and annualized carrying cost is $80. Weekly production of this product is 12 units. Lead time is four weeks, and safety stock is one week's production. What is optimal kanban size? What is the optimal number of kanbans?