Need help with this please.

E2.3 A new restaurant purchased the following wine during the first month of operations: March 2: Purchased 12 750ml bottles of M & B wine @ $12.00 each. March 16: Purchased 24 750ml bottles of M & B wine @ $13.00 each March 31: Sold 30 bottles during March @ $26 each. Determine the value of the ending inventory and cost of sales for M & B for March using the following (4 points): a. First-in, first-out method b. Last-in, first-out method c. Weighted average method