Flamengo Company uses a perpetual inventory system. Below is information about one inventory item for the month of September. Use this information to answer the questions that follow. Sep. 1 4 10 Inventory Sold Purchased Sold Purchased 20 units at $20 10 units 30 units at $25 20 units 10 units at $30 17 30 If Flamengo uses FIFO, the September 30 inventory is