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.
-You have been asked to contact an overseas supplier. According to the text, which of the following channels would be the most cost-efficient?

A) fax
B) e-mail
C) phone call
D) face-to-face meeting