Dear Sirs, We got extremely interested in the project proposed by you. We are an IT company specializing in web technologies and programming. Our specialists are ready to start working on the required billing system solution straight away. Our managers will keep you informed of the project progress until the work is completed. We are available via any means of communication. At the moment our analysts have a number of questions to be clarified to outline a plan and make a detailed proposal. Please, view project clarification board and contact us via PMB for further discussion after what we'll provide you with an accurate calculation. Looking forward to your reply, Nidle Inc.