Suppose that interest on money in the bank accumulates at an annual rate of 5% per year compounded continuously. How much money should be invested today so that 20 years from now it will be worth $20,000? (Hint: If you're stuck, then model the account balance B = B(t) with a differential equation and an initial condition, keeping in mind that the initial condition here is not at t = 0.) A. $5498.23 B. $5909.04 C. $6766.49 D. $7357.59 E. $7982.22

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