A few months ago you bought 100 shares of Amazon at US$800 per share and paid a US $10 brokerage commission. The exchange rate at the time was US$1 = C$ 1.10. Today you sold the shares at a price of US$ 750 each and paid a brokerage commission of US$20. Today the exchange rate is US$1 = C$ 1.25. What is your capital gain (or loss) on the transaction? a) $5,714 b) - $6,287 c) - $5.030 d) $5.786