how to calculate FIFO, LIFO, and moving average?

Suppose that Ralph Lauren Compary reports the following for the month of June. (a) Cakculate the cost of the ending inventory and the cost of goods sold for each cost flow assumption, using a perpetual iriventory systern. Assume a sale of 1,030 units occurred on June 15 for a selling price of $8 and a sile of 1,060 units on June 27 for $9. (0Round everage cost per unit to 3 decimal places, es. 5.254 and final answers to o dicimal places, cs. 2.520)