Q13 A bank tries to construct a protected principal note, where it receives $100 from its clients and guarantees to pay back $100 two years later. In this strategy, the bank first buys a two-year risk-free bond. Also, it considers buying a two-year European put option on a non-dividend-paying stock that currently sells for $80. The risk-free interest rate is 4%. Which of the following puts is certainly infeasible for the bank under no-arbitrage condition?