In business communication, always emphasize the YOU View. Here are some examples of some wrong sentences and right sentences with YOU view.
Wrong: We are issuing a refund.
Right YOU view: You will receive a refund.
Wrong: We take pleasure in announcing an agreement we made with Hewlett Packard to allow us to offer discounted printers in the student store.
Right YOU view: An agreement with Hewlett Packard allows you and other students to buy discounted printers at your convenient student store.
Good luck!