just need help on the estimated part. i cant figure out why it's wrong

a. Estimated sales for July by sales territory: Maine: 310 units at $700 per unit 150 units at $1,200 per unit Backyard Chef Master Chef Vermont: Backyard Chef Master Chef 240 units at $750 per unit 110 units at $1,300 per unit New Hampshire: Backyard Chef Master Chef 360 units at $750 per unit 180 units at $1,400 per unit b. Estimated inventories at July 1: Direct materials: Grates 290 units Stainless steel 1,500 lbs. 170 units Burner subassemblies Shelves 340 units Finished products: Backyard Chef 30 units Master Chef 32 units Gourmet Grill Company Production Budget For the Month Ending July 31 Units Backyard Chef Master Chef Expected units to be sold 910 440 Desired inventory, July 31 40 22 Total units available 950 462 Estimated inventory, July 1 40 32 Total units to be produced 920 430 Gourmet Grill Company Direct Materials Purchases Budget For the Month Ending July 31 Grates (units) Stainless Steel (Ibs.) Burner Sub- assemblies (units) Shelves (units) Total Required units for production: Backyard Chef 2,760 22,080 1,8407 3,680 Master Chef 2,580 18,060 1,720 2,150 Desired Inventory, July 31 340 1,800 155 315 Total 5.680 41,940 3,715 7 6,145 Estimated Inventory, July 1 290 X 1,500 170 X 340 X Total units to be purchased 5,390 40,440 3,545 5,805 Unit price 10 10 Total direct materials to be purchased 80,850 $ 242,640 V $ 389,950 $ 58,050 $771,490