Carton Company uses a perpetual inventory system. At the beginning of July they had $10$ units in inventory that cost $$90$ each. On July $5,$ they purchased $60$ more units at a cost of $$84$ each. On July $14,$ they sold $40$ units. On July $21,$ they purchased $30$ more units at $$87$ each. On July $30,$ they sold $28$ units. What is the ending inventory $($round final answer only to the nearest dollar$)$ under the average$-$cost method?