calculate gross profit operating income income before tax net income purchases

                           

dirty income	$990,000	Interest expense	$4.00
utilities expense	8,000	Interest income	6,000
sales returns	15,000	cost o goods sold	500,000
income tax expense	7,000	rent expense	15,000
inventory (Begin)	65,000	salary expense	400,000
Inventory (end)	32,000