Sport Chek You Work as a Buyer for Sport Chek at Its

Sport Chek
You work as a buyer for Sport Chek at its head office in Toronto. The regional manager, your boss, has asked you to collaborate with Hans, a co-worker in Sport Chek's Winnipeg office, to write a report comparing the costs, retail prices, features, customer reviews, sales histories, and other data of the various bicycles that Sport Chek sells. You and Hans agree to work on different sections of the report and then combine the two sections. Hans agrees to get his portion to you a week before the manager has asked for the completed report.
-Which of the following sentences illustrates effective business writing, as described in the text?

A) We can sell you a wireless phone that we are very proud of.
B) Our company is proud to have you as one of our customers.
C) We ask that you send our signed signature card back to us immediately.
D) You will be pleased to know that your premiums will decrease by 10 percent next year.