From the North you need to subtract 0.354 and from the West you need to add 0.723.
Chose from the following and place the letter corresponding to your answer into the certitude to confirm your answer.
A : N49 17.436 W068 07.669
B : N49 16.000 W068 09.000
C : N49 16.727 W068 09.115
D : N49 17.000 W068 08.000
You can validate your puzzle solution with certitude.