Wordpress Plugin Development.

I need a plugin, that can be installed to ANY wordpress website with CF7. The plugin should allow my customers to save PDF/Word document after form submission based on the template for each form..It should have the following functionalities: [login to view URL] >>> I have mentioned the requirements, in as much detail as possible, please read carefully, then ANSWER: **Budget to develop the plugin - $X **Once the plugin is developed, ongoing maintenance cost - $Y / Month (Detect and fix bugs, and enhance the existing features.) Any proposals, not mentioning the X and Y will be ignored. Looking for someone, that can create a masterpiece, that I can sell on CodeCanyon, etc..