Coronado Dairy has four product lines: sour cream, ice cream, yogurt, and butter. The total costs of producing the milk base for the products is $53200 which has been allocated based on litres of milk base used by each product. Results of July follow Sour Units sold Revenue Variable departmental costs Fixed costs Net income (loss) 1660 $7000 4300 4500 ($1800) Ice Cream 750 $14700 9600 1200 $3900 Yogurt 530 $11700 6700 2300 $2700 Butter 4500 $24600 11900 5600 $7100 Total 7440 $58000 32500 13600 $11900 How much are total joint costs of the products? $32500 $13600 $53200 $11900