Second Story Books presents the following information regarding its inventory of used books: March 1: Beginning inventory (67 books @ $21/book) March 10: Purchase (106 books @ $22/book) March 20: Purchase (79 books @ $29/book) March 30: Purchase (51 books @ $30/book) A physical count of inventory on March 31 reveals there are 82 books on hand. Assuming a periodic inventory system is used, what is its ending inventory for March using the average cost method? (When calculating average cost per unit, round your answer to the nearest cent.) (Round your final answer to the nearest dollar. Do not use dollar signs, commas or decimals.)