Martin Sales had a Beginning inventory balance of $120 made up of 10 units purchased for $12.00 per unit. Early...

Martin Sales had a Beginning inventory balance of $120 made up of 10 units purchased for $12.00 per unit. Early in the month, they purchased 16 units at $10.00 per unit. Later that month, they sold 15 units. Martin uses a perpetual inventory system, and applies average costing method. how much inventory is the ending inventory