Eco Tech Auto Parts Store, which uses the FIFO method of valuing inventory, has 56 spark plugs remaining in inventory. Eco Tech purchased spark plugs over a three-month period as follows: 32 purchased at $3.87 on January 5, 56 purchased at $4.13 on February 15, and 20 purchased at $2.34 on March 12. Compute the value of the ending inventory of spark plugs at FIFO cost.