Prepare a production budget - January, February, and March for Jack's Doggie Sneakers. Begin with the total number of sales units from question 1. Jack estimates that the beginning balance in January will be 5,000 packages. At the end of each month, the desired ending inventory is 15% of the next month's sales. (Round to the nearest whole unit) Prepare a production budget - January, February, and March for Jack's Doggie Sneakers. Begin with the total number of sales units from question 1. Jack estimates that the beginning balance in January will be 5,000 packages. At the end of each month, the desired ending inventory is 15% of the next month's sales. (Round to the nearest whole unit)