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 best represents effective business writing, as discussed in the text?

A) Your order will be shipped on June 30.
B) Your order cannot be delivered until June 30.
C) We regret that we must reject your loan application.
D) You will not be sorry that you purchased your computer from us.