A sales budget is given below for one of the products manufactured by Trumpet, Ltd. Sales Budget in Units Month July 28,000 August 30,000 September 34,000 October 36,000 November 29,000 December 26,000 The inventory of finished goods at the end of each month must be equal to 20% of the next month's sales. On June 30, the finished goods inventory totaled 6,800 units. Each unit of product requires ten ounces of a special chemical known as AQ-12. Sometimes the chemical is in short supply; for this reason, the company has a policy of maintaining an inventory at the end of each month equal to 75% of the next month's production needs. This requirement was met on July 1 of the current year Required: Prepare a budget showing the quantity of AQ-12 to be purchased for October