i posted this and i got all correct answers except for the two in red . would be glad if someone cohld help me out !

4 Daisy Products Limited of Shenzhen, China, manufactures and distributes toys throughout Southeast Asia. Three cubic centimetres (cc) of solvent 280 are required to manufacture each unit of Fineclay, one of the company's products. The company is now planning raw materials needs for the third quarter, the quarter in which peak sales of Fineclay occur. To keep production and sales moving smoothly, the company has the following inventory requirements: a. The finished goods inventory on hand at the end of each month must be equal to 4,350 units of Fineclay plus 20% of the next month's sales. The finished goods inventory on June 30 is budgeted to be 14,500 units. b. The raw materials Inventory on hand at the end of each month must be equal to one-half of the following month's production needs for raw materials. The raw materials inventory on June 30 is budgeted to be 78,300 cc of solvent 280. c. The company maintains no work-in-process inventories. A sales budget for Fineclay for the last six months of the year follows: Budgeted Sales in Units July 50,750 August 58,000 September 72,500 October 43,500 November 29,000 December 14,500 3. Prepare a budget showing the quantity of solvent Q80 to be purchased for July, August, and September, and for the quarter in total, Answer is complete but not entirely correct. DAISY PRODUCTS LIMITED Raw Materials Purchases Budget Third July August September Quarter Production needs (cc) 156,600 162.700 200,100 639,400 Add: Desired ending inventory 91.350 100.050 60.000 60.000 Total solvent needs 247,950 202.750 261.000 791,700 Deduct Beginning inventory 78,300 91,350 100.050 78,300 Solvent 80 purchases (c) 169.650191.400 160,950 713.400