beginning inventory $100$ @ $$21,$ purchase $148$ @ $$24,$ sale $115$ @ $$36,$ sale return $10$ @ $$36,$ purchase $55$ @ $$26,$ purchase return $5$ @ $$26,$ sale $93$ @ $$41,$ purchase $26$ @ $$28.$ Using LIFO, FIFO and moving$-$cost average, what is the cost of goods sold, the ending inventory, and gross profit?