On Monday, Sandra sends Raul an offer via e-mail: "I offer to manage your website at a rate of $100 per hour. You must accept by Friday."Raul receives the e-mail on Monday, but waits until Saturday to reply: "I accept. Sandra receives the e-mail response on Saturday. Which of the following is true?I. No contract exists because the lapse of time.II. A contract exists as of Saturday.III. No contract exists because of the statute of frauds.IV. No contract exists because of the mirror image rule.