Question 4 1 pts Company X uses FIFO for internal purposes, but LIFO for external reporting purposes. At the beginning of the year, the LIFO reserve was $310,000. At the end of the year, the LIFO reserve was $330,000. The end of year LIFO inventory balance for external reporting purposes was $500,000. What was the end of year FIFO inventory balance? $830,000 $520,000 $20,000 $810,000