Answer:
E. call option on the firm; firm; risk-free zero-coupon bond; put option on the firm
Step-by-step explanation:
As we know that
If we add the stock price and the put i.e. equivalent to the call and the risk free bond
In an equation form, it can be presented below
Put + stock price = call + PV(risk free bond)
So according to the above equation form, the option E is correct as it fits to the current situation given in the question
Hence, the correct option is E
And, the rest of the options are wrong