A firm's budgeted sales for the month of September is 10,000 units, for the month of October is 12,000 units, and for the month of November is 14,000 units. The budgeted ending inventory must equal 25 percent of the next month's sales. Based on the given information, the production budget for the month of October is units. O 13,000 O 12,500 O 15,500 9,000