Boyne Inc had beginning inventory of $12,000 at cost and $20,000 at retail. Net purchases were $120,000 at cost and $170,000 at retail. Net markups were $10,000, net markdowns were $7,000, and sales revenue was $147,000. Compute ending irventory at cost using the conventional retail method. (Round nutios for computational purposes to 0 decimal places, eg. 788 and final answer to 0 decimal ploces es. 28.987. Ending inventory using the corventional retail method