sing weighted$-$average cost, calculate ending inventory and cost of goods sold.$($Round "Average Cost per unit" to $4$ decimal places and all other answers to $2$ decimal places.$)$

Weighted Average CostCost of Goods Available for SaleCost of Goods Sold $-$ Weighted Average CostEnding Inventory $-$ Weighted Average CostNumber of unitsAverage Cost per unitCost of Goods Available for SaleNumber of unitsAverage Cost per UnitCost of Goods SoldNumber of unitsAverage Cost per unitEnding InventoryBeginning Inventory$19$$$399$Purchases:March $0424480$June $0929551$November $1129493$Total$101$$$19\mathrm{.}0300$selected answer correct$$1,92380$selected answer correct$$19\mathrm{.}0300$selected answer correct$$1,522\mathrm{.}40$selected answer correct$21$selected answer correct$$19\mathrm{.}0300$selected answer correct$$399\mathrm{.}63$selected answer correct

so i have all of this entered and am trying to determine the sales revenue and gross profit and i determined the gross profit to be $797\mathrm{.}6$ but it says that is incorrectv