Sheridan Company's records indicate the following information for the year: On December 31 , a physical inventory determined that ending inventory of $508000 was in the warehouse. Sheridans gross profit on sales has remained constant at 30% Sheridan suspects some of the imventory may have been taken by some new employees. At December 31 , what is the estimated cost of missing imentory? $336000$508000$68000$56000