form submit

I have a form that contains multiple information, customer and garbage 
details.
If I create a new customer, then I am forcing the user to create a new 
garbage as well.
Here's my question.
I determine whether or not they are submitting the customer or garbage 
portion of the form.  Based on that I am saving the customer info, or the 
garbage info using two different classes.  If they have a brand new 
customer that has brand new garbage info, can I execute the garbage save 
from the customer save class so that I don't have to code a whole new 
class for the saving of both the one time?  TIA,

Ron Power
Programmer
Information Services
City Of St. John's, NL
P.O. Box 908
St. John's, NL
A1C 5M2
Tel: 709-576-8132
Email: rpower@xxxxxxxxxx
Website: http://www.stjohns.ca/
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Success is going from failure to failure without a loss of enthusiasm. - 
Sir Winston Churchill