Greaves Brewery: Bottle Replenishment

The purchasing manager was wondering how many bottles he should purchase in the coming year. Last year, the market had levelled off and sales predictions were difficult. On the one hand he wanted to be sure sufficient bottles were available to supply this year's sales levels, yet he also wanted to minimize year-end inventories as covered storage space for empty bottles was tight and a bottle change-over seemed possible in the next two years.