A company's inventory records report the following: DateActivitiesUnits Acquired at CostUnits Sold at RetailAugust $1$Beginning inventory$15$ units @ $$40=$ $$600$ August $5$Purchase$10$ units @ $$41=$ $$410$ August $12$Purchase$20$ units @ $$42=$ $$840$ August $15$Sales $30$ units soldUsing the FIFO perpetual inventory method, what is the value of the inventory at August $15$ after the sale?Multiple Choice$$420$$$300$$$1,220$$$630$$$1,850$