Of your question about INV628 I will describe you how to order number 2 Users.
Is Mrs.Scesilla Febiana and Mrs.Susan Paulina that the activation not simultaneously.
Mrs.Scesilla Febiana: Start Date 5/3/2014 End Date 10/4/2014.
Mrs.Susan Paulina: Start Date 10/3/2014 End Date 10/4/201.
The price that I offered is not the same because I think the price by the number of days the service.
In case you want purchase additional Users
rates will be starting from quotation until the end of the contract, which started PT CENTRAL 11/04/2013 - 10/04/2014
for example, You want purchase additional Users date 01/05/2014 quotation will start 01/05/2014 - 10/04/2015 in the event of renewed successfully.