Ferney Ltd. is faced with a choice between 2 suppliers. Supplier 1 is offering credit terms of 1/10, net 30, while Supplier 2 is offering terms of 2/10, net 60. Which supplier should Ferney choose if it can borrow from its bank at 11% annual interest?
选项：

A:Supplier 1 ;
B:Supplier 2;
C:Either supplier ;
D:Neither supplier