Question 12 10 Points Three identical units of Item Steele Plate are purchased during March, as shown below. Item Steele PlateUnitsCostMar. 3Purchase1 $800 Mar. 10Purchase 840 Mar. 19Purchase1 880 Total 3 $2,520 Assume that one unit is sold on March 23 for $1,025. Determine the gross profit for March and ending inventory on March 31 using (a) FIFO, (b) LIFO, and (c) average cost methods. Use the editor to formot your