Drew Co. uses the average cost inventory method for internal reporting purposes and LIFO for financial statement and income tax reporting. At December 31, the inventory was $375,000 using average cost and $320,000 using LIFO. The unadjusted credit balance in the LIFO reserve account on December 31 was $35,000. What adjusting entry should Drew record to adjust from average cost to LIFO at December 31?