Assume current price of Canadian dollar (C$) is $0.80. Call options in C$ with 1 year maturity have strike prices of $0.80 and $0.82. The volatility () of C$ 25%. The risk-free rates on $ and C$ are 5% and 6%, respectively. What is the cost of a call bull spread? Feel free to use the Black-Scholes model in Excel.

Group of answer choices

$0.072

$0.064

Nothing

$0.008