You need a quotation:
Ask for a quotation to this .
You should attach the document to be translated to your message, or at least a very representative sample.
Each translation project is unique and my rates depend on various factors, including technical level.
Some good questions for you:
Volume - Format - What is the exact format ? In which other formats would you be able to deliver the source document?
Turnaround time - How much time has been planned for editing? For the whole translation project?
Quality - How polished does the translation have to be?
Text function - What is the purpose of the text?
User requirements - Who are the readers and why will they be reading it?
Rate - Can you prioritize price, schedule, and quality?