The holder of the call option, whoever Caleb has sold the option to will exercise it if , otherwise he/she will let the option expire.
In this case,
so the holder of the option will exercise it. In that case,the option sellers' Caleb net profit per unit of Canadian dollar is calculated as follows:
Net profit per C selling price of currency-Buying price of currency+premium on the option.
Since each option contract contains 50000units of Canadian dollars, Net profit per option
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