Invoice Templates (sample)

Invoice Templates (sample)

Looking for sample (not to build my own template) all the discussion are "oh here are the instructions, make your own.  Unlike the brilliant people behind this CRM I dont have coding skills.  Here is what I need:

I need the product price to be populated just like the invoice that comes with the CRM, but I want to add the tax as a % into the invoice, which would then be calculated in the total.

Thanks,