please check the filled boxes whether they are correct or not .. I have alot of confusion please check it carefully ?

Tall Oak, Inc. produces rulers from plastic resin. Toll Oak has estimated production and sales of rulers in units for the next 2 months as: May June Estimated production 42.000 48,000 Estimated sales 50,000 36,000 Each ruler requires 0.25 pounds of resin. The cost of resin is $4.50 per pound. Tall Oak wants to have 20% of the next month's materials requirements on hand at the end of each month. Prepare a direct materials purchases budget for the month of May. (Enter negative amounts using either a negative sin preceding the numberes.-45 or parentheses es (45). Round pounds needed per unit and cost per pound to 2 decimal places, es. 15.25) TALL OAK, INC. Direct Materials Purchases Budget Month of May 42000 Direct Materials Purchases Budget Month of May Estimated production in units for May 42000 Pounds needed per unit 0.25 Pounds needed for production in May 10500 Add V Ending inventory desired 2400 Less Beginning inventory 2100 10800 Pounds needed for production in May 4.50 Cost per pound 48600 Total cost of purchases of materials