The units of Manganese Plus available for sale during the year were as follows:

Mar. 1	Inventory	22 units	@ $31	$682
June 16	Purchase	32 units	@ $35	1,120
Nov. 28	Purchase	41 units	@ $38	1,558
		95 units		$3,360

There are 15 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.