Given the following inventory information about the Buckner Company:
Year-end last in, first out (LIFO) inventory of $6,500.
Year-end LIFO reserve of $2,500.
The current year's LIFO cost of goods sold (COGS) is $15,000.
After tax income is $1,600.
The previous year's LIFO reserve was $2,000.
How much higher would the firm's retained earnings be on a first in, first out (FIFO) basis if the firm's tax rate is 40%?