How do I calculate High-Low method

7. Fixed Administrative expenses are expected to increase by $2,000.

The total administrative expenses for 20x0 were $40,625.00, when

22,500 units were sold. Use the High-Low method to calculate

the total fixed administrative expense.

I See The Light
Projected Income Statement
For the Period Ending December 31, 20x1
	Sales			25,000 lamps	@ $45.00			$1,125,000.00
	Cost of Goods Sold				@ $28.93			723,250.00
	Gross Profit							$ 401,750.00
	Selling Expenses:
		Fixed				$ 23,000.00
		Variable		(Commission per unit)	@ $3.15	78,750.00	$101,750.00
	Administrative Expenses						40,750.00
	Total Selling and Administrative Expenses:							142,500.00
	Net Profit							$ 259,250.00