the units of manganese plus

The units of Manganese Plus available for sale during the year were as follows: Mar. 1 Inventory 24 units$31 June 16 Purchase 31 units $34 Nov. 28 Purchase 40 units $35 $744 1,054 1,400 $3,198 95 units There are 14 units of the product in the physical inventory at November 30. The periodic inventory system is used. Determine the difference in gross profit between the LIFO and FIFO inventory cost systems. Enter the answer as a positive number