Complete the following sentence: "The put-call parity relationship between American options..." O I. is given by the following expression: St - K s Ct - Pt s St - K exp(-Ro (T-t)) O II. cannot be...

Extracted text: Complete the following sentence: "The put-call parity relationship between American options..." O I. is given by the following expression: St - K s Ct - Pt s St - K exp(-Ro (T-t)) O II. cannot be derived because these options can be exercised before the expiration date. O II. yields a larger value of the call option than for the European option counterparts. O IV. None of the above.