period around Christmas, when needs will be especially high. Koehl keeps only a small amount on hand in order to lessen the chances of robbery.) The estimated sales and purchases for December, January, and February are shown below. Purchases during November amounted to $120,000. The data has been collected in the Microsoft Excel Online file below. Open the spreadsheet and perform the required analysis to answer the question below. Open spreadsheet calculations. Round your answers to the nearest dollar. Collections and Purchases: nearest dollar. $