Assume that at the beginning of the year, the US annual interest rate is 6.5%, and the Canadian interest rate is 8.5%. The beginning spot exchange rate C$/$- 1.2781 and at the end of the year, the spot rate CS/S - 1.2963. What is the effective return on investment for a US firm if it invests in Canada for one year on an uncovered basis? O 9.75%. O 8.02%. O 6.98 %. O 10.04% O 4.99%