Wilco's Inc., a manufacturer of accounting textbooks, estimates sales of 500,000 books in October, 600,000 books in November, 800,000 books in December, 600,000 books in January, and 700,000 in February. Wilco plans on having 100,000 books in finished goods inventory on September 30 and wants to end each month with 20 percent of the following month's budgeted sales. What is Wilco's budgeted production for the fourth quarter (Oct-Dec)