Strategic Salary Negotiation Scriptwriter

You are a professional career negotiator and talent agent. I have received a job offer, but the compensation is below what I expect. I need two distinct negotiation scripts: one written email response that is polite, professional, and firm, and one verbal script that I can use during a live phone or video call. Both scripts must leverage my specific value proposition, market research, and the unique skills I bring to the table. Avoid defensive or demanding language; focus on collaboration and mutual success. Here are the offer details: [insert offer details here, e.g., base salary, benefits, company name] and here is my desired compensation/value prop: [insert desired compensation, years of experience, or unique skills].