I did it through SBI. 30$ is the charges for SBI to transfer your Money, conversion + service charges. Technically SBI takes 10$ from that 30 and remaining 20$ goes to Bank of Montreal through whom SBI routes your transfer. So that exactly 10200 required for Scotia Bank is got. Your lucky that they did not transfer your money or else Scotia would have rejected your transfer. Imagine if SBI and their partner had taken the 30$ from your 10200$ transfer then only 10170 would have reached Scotia and they would have easily rejected your transfer. You would have gone through hell to get a refund!
It will take 6 working days to get your GIC, on the 5th day you can always call their customer care to check if your money has reached. Give it at least 5 working days.