10.Lamp Inc. sells lamps. During March 2018, its inventory records for the category "Nightstand Lamps" were as follows:

10 Lamp Inc. sells lamps. During March 2018, its inventory records for the category "Nightstand Lamps" were as follows: Quantity Price per Lam Total Beginning Inventory March 7 Purchase March 11 Sale March 17 Purchase March 23 Sale March 28 Purchase 2,000 lamps 1 ,800 lamp 2,500 lamps 900 lamps 800 lamps 700 lamps $26 $29 N/A $31 $32 = $52,00 = $52,20 = $27 = $22,40 Using the information above, periodic LIFO cost of goods sold is: