The units of an item available for sale during the year were as follows: There are 57

Question:

The units of an item available for sale during the year were as follows:

There are 57 units of the item in the physical inventory at December 31. The periodic inventory system is used. Determine the inventory cost using
(a) The first-in, first-out (FIFO) method;
(b) The last-in, first-out (LIFO) method;
(c) The weighted average costmethod.