X project:
Age group A=10-19
=20 to 29 age group B
Age group C=30-40

Y project:
Age group A=0-9
Age group B=10-17
Age group C=18 to 50,

Z project:
Age group A=0-17
=18 to 28 years old age group B
Age group C=29-50

Input user age (many people: 8 years old, the age of 12, 22, 33, 35, 36)

For users, several people in the A.B.C group

X project fee:
A set of registration fee=* 200
Group B fee=* 500
Application of group C=(+ 200) * 700

Y project fee:
A set of registration fee=* 500
Group B fee=* 100
Application of group C=(+ 500) * 300

Z project fee:
A set of registration fee=* 500
Group B fee=* 100
Application of group C=(+ 500) * 500

Pray for X Y Z how much is the total cost of the project, and the project total cost from low to high alignment.