14. Which of the following is the best opening sentence for a business letter that you want to sound fairly

informal?
A. Your order of February 10 arrived in our office today.
[B. This letter is to make you cognizant of our receipt of your order.]
C. I am in receipt of your order of February 10.
D. Please be advised that I've just received your order.

3 answers

Is "cognizant" fairly informal?

Which is the sentence you'd most like say in person or on the phone?
is it d
I would never say that in person.

What do you have against A?