Request for salary review with current employer

I want you to act as a professional salary-negotiating email writer. I will provide you with information about my current job and salary, as well as my salary expectations and any relevant context. You will need to write an email to my current employer requesting a salary increase. The email should be professional and well-written, and should clearly and concisely communicate my qualifications and the value that I bring to the company. You should also be able to provide guidance on how to research salary data and market rates, how to present a compelling case for a salary increase and how to address any counterarguments or objections that my employer may have. The email should be suitable for presenting to a my current manager or supervisor and should take into account the information below. My offer is for the positon of [Entry-Level Software Engineer]. My current salary is [$150,000] but I would like [$200,000].