Use no-arbitrage arguments to prove the following simple bounds on European call options on an asset that pays no dividends. (Here, C(S, t; E) stands for the option value at time t under the conditions that the underlying asset price is S and the exercise price is E. (a) 0 E1. (b) If two otherwise identical call options have expiries T1 and T2 with Ti E1. (b) If two otherwise identical call options have expiries T1 and T2 with Ti