Useful vocabulary for enquiries

Below you will see parts of three letters of enquiries. Put the correct word or phrase in each blank. Use each item once only.
Sir
I have seen your in the of "Office Weekly" and am interested in your range of office stationery. Could you please send me your and ? I to hearing from you.
Yours

With to your advertisement in today's "Times", could you please send me about your office furniture. I am interested in your adjustable typist's chairs.

Some time ago we purchased from you some JF72 solar-powered pocket calculators. As this was so popular with our customers, we would like to know if it is . If so, would you kindly us of your terms of and any quantity available. Could you also include details of any new models in the same ?