A clinic focuses on three services: counseling for teens and young adults, smoking cessation, and counseling for young parents. An analyst has developed a forecast of the number of visits each group will make at a different price. Calculate the total quantity demanded at each price.

Price	Teen Counseloing	Smoking Cessatio	Parent Counseling
$40	10	0	0
$60	15	1	0
$40	20	2	0
$20	40	4	6
$0	50	6	8
$160	135	13	14