Dear Manager,
I hope you are well.
I am putting this proposal together in mind with the needs you have stated.
I have a strong history of not just increasing revenue through a fixed budget, but also maximising ROI. I also have excellent experience in geo-targeting as well as using ad extensions for the "call only" users.
I have extensive experience of Google Adwords, but I also have a great deal of experience with Bing (now known as Search Alliance).
I assumed five hours per week, including weekly reports, for you as a rough guide, however I am flexible with this time commitment.
If my proposal is unacceptable then please let me know what I can do to secure the project.
Kind Regards,
Chirag