Please help me with it, thank you

Exercises 10 (10pts) A company made the following merchandise purchases and sales during the current month: July. 1 purchased 380 units at $15 each July 5 purchased 270 units at $20 each July 9 sold 500 units at $55 each July 14 purchased 300 units at $24 each July 20 sold 250 units at $55 each July 30 purchased 250 units at $30 each There was no beginning inventory. If the company uses FIFO, LIFO, WA perpetual inventory system, what would be the cost of the ending inventory