Suppose the Royal Bank offers a risk-free interest rate of 4.0% on both savings and loans and Scotiabank offers a risk-free interest rate of 4.5% on both savings and loans. a. What arbitrage opportunity is available? b. Which bank would experience a surge in demand for loans? Which bank would recene a surge in deposits? c. What would you expect to happen to the interest rates the two banks are offering? a. What arbitrage opportunity is available? (Select the best choice below) A. Take a loan from Royal Bank at 4.0% and save the money in Scotiabank at 4.5%. B. Take a loan from Royal Bank at 4.5% and save the money in Royal Bank at 4.0%. C. Take a loan from Scotiabank at 4.5% and save the money in Royal Bank at 4.0%. D. Save at both banks