A store uses the gross profit method to estimate inventory and cost of goods sold for interim reporting purposes. Past experience indicates that the average gross profit rate is 25% of sales. The following data relate to the month of March: Beginning Inventory, March 1st $25,000 Purchases during the month (at cost) $67,000 Sales during the month $84,000 Sales returns during the month $ 3,000) Using the data above, what is the estimated ending inventory at March 31st