Dear Mr./Mrs. XYZ,
After careful write-up on your charge account, it pleases us to know you that we have increased your credit limit as follows:
Previous Credit Limit: (money amount…)
Current Credit Limit: (money amount….)
Furthermore, this change in consideration status qualifies you for usage of our installment account. When you require additional information concerning this new account, please see one in our credit representatives the next time you are in this office for the visit.
you are Company’s valued customer, and therefore, you will be advised in company’s special customer sales, which we have from regular time. We appreciate your continuing patronage, and look forward to the ability to assist you in the near future.