We are looking for someone who can build a cost calculator tailored to our site and our products. We bought the plugin thinking it would be alot easier to use then it turned out to be.
You can get in touch with Expert Programmer
Hope they will help you out from your issue.
If you are searching a php script you can check this ’ Quotation Booking - Multi Step Quotation Booking Request PHP Form For Cleaning Service’:
For any pre-purchase query you can ask to the item Author.