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

Mar. $1$ Inventory $16$ units @$$30$ $$480$

June $16$ Purchase $30$ units @$$351,050$

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 costing methods. Enter all numbers as positive numbers.

FIFO cost of goods sold

LIFO cost of goods sold

Difference