Instant quote for for my website

Hi. I would like to put an instant quote for on my website so my catering clients can order there packages online.it would need to calculate the total with taxes and service fee. If possible I would like clients to be able to pay directly online. An example can be found http://www.liquid-catering.com/instantquote.html

Can you help. 

You can build it, once you have created your products, you can use these guides:

1) Assign values to each product option: https://www.jotform.com/help/301-How-to-Assign-Calculation-Value 

2) Use the Form Calculation widget in order to perform the calculation: https://www.jotform.com/help/259-How-to-Perform-Form-Calculation-Using-a-Widget 

3) And if you have integrated with any of payment gateways we have available, you can pass the total: https://www.jotform.com/help/275-How-to-Pass-a-Calculation-to-a-Payment-Field