Concord Dairy has four product lines: sour cream, ice cream, yogurt, and butter. The total costs of producing the milk base for the products is $46800 which has been allocated based on litres of milk base used by each product. Results of July follow:

	Sour Cream	Ice Cream	Yogurt	Butter	Total
Units sold	1710	730	470	5000	7910
Revenue	$6600	$14600	$11600	$25000	$57800
Variable departmental costs	4200	10500	7000	11600	33300
Fixed costs	4300	1200	2300	5700	13500
Net income (loss)	$(1900)	$2900	$2300	$7700	$11000

How much are total joint costs of the products?

$33300

$13500

$46800

$11000