Inventory records for Stevens and Nelson Company show the following inventory information for July:

Beginning Inventory $100$ units $$16\mathrm{.}00/$unit

Purchase July $15700$ units $$17\mathrm{.}00/$unit

Purchase July $27800$ units $$18\mathrm{.}00/$unit

At the end of July there were $600$ units left in inventory. The rest had been sold. Using the above information

calculate the dollar value of COGS and ending inventory under the three methods of FIFO, LIFO and Average

Cost