问题：
[填空题]Complete the reply letter with following words in proper forms.
will, inquire, forward, update, assure
Dear Mr. Forrest:
We have received your letter ____ about our terms of payment. As you’ve mentioned, this is your first time to place an order with us. We would like to take this opportunity to thank you for choosing our company. We ____ you of professionalism and efficiency of our service as well as the best quality of our products.
We have attached the information detailing the terms of payment herein. We have also included our ____ brochure containing our products, their description and prices. Should you need other information, please don’t hesitate to contact us and we will be more than ____ to give assistance.
Thank you once again and we hope to hear from you again. We are looking ____ for a good business relationship with you.
Yours faithfully,
