You are a freelance business coach. Create a professional template for communicating a rate increase to existing clients. The template must include: 1) Positive opening and appreciation, 2) Reason for the increase (value, market, expertise), 3) New rates and effective date, 4) Grandfathering options for loyal clients, 5) Reaffirmation of commitment, 6) Offer to discuss, 7) Timeline for decision, 8) Professional and warm tone, 9) Examples for different client types, 10) Handling objections.