15. A company has beginning inventory of 30 units at a cost of $13.00 each on October 1. On October 5, it purchases 21 units at $14.00 per unit. On October 12 it purchases 31 units at $15.00 per unit. On October 15. it sells 63 units. Using the FIFO periodic inventory method, what is the value of the inventory at October 15 after the sale