Question 4. (30 points)
Deposit $1,000 in bank for one year. Consider the following two cases. Case 1: inflation rate
P = 0, interest rate R = 10%; Case 2: inflation rate P = 10%, interest rate R = 20%.
【題組】Now, assume the tax rate t =25%.
(b) In which case, how do you pay the tax? Case 1:_________________Case:2:_________________