Construct a spreadsheet estimating the profits (or losses) that could be earned from this strategy. Should David pursue this strategy?

David expects that the Canadian dollar will depreciate against the U.S. dollar from its spot rate of $0.81 to $0.79 in 90 days. Assume that the following short-term interest rates (annualized) are available to David.
Currency Lending Rate Borrowing Rate U.S. dollar 7.5% 7.8%
Canadian dollar 16.5% 18% Assume David considers borrowing 20 million Canadian dollars and investing the funds in U.S. dollars for 90 days. Construct a spreadsheet estimating the profits (or losses) that could be earned from this strategy. Should David pursue this strategy?