Installment

Installment

i need to creat a form to payment in installments:

example:

Price: 500 $
Installments: 5
Initial Date(First Installment): ex 01/01/2000

So with this data i want to create 5 records in a table:

first record - 
Price: 100 $
Date: 01/01/2000

second record -  
Price: 100 $
Date: 01/02/2000

third record -  
Price: 100 $
Date: 01/03/2000

forth record -  
Price: 100 $
Date: 01/04/2000

fifth record -  
Price: 100 $
Date: 01/05/2000