Vaughn uses the periodic inventory system. For the current month, the beginning inventory consiisted of units that cost $ each. During the month, the company made two purchases: units at $ each and

units at $ each. Vaughn also sold  units during the month. If the averagecost method is used, what is the amount of cost of goods sold for the month? Round average cost per unit to  decimal places, eg 

$ or $ or $ or $