Ryan orders 16 dozen fishing lures from Strike Right for $375. When he gets the invoice, he is furious that $25 in freight charges has been tacked onto his bill because he thought the price included freight costs. Ryan should have been certain that the order terms were

a. ​F.O.B. origin.
b. ​2/10, n/30.
c. ​F.O.B. destination.
d. ​C.O.D.
e. ​F.O.B. factory.