Which of the following activities are permitted during the “cooling off” period associated with a new offering?

I. A preliminary prospectus may be provided to prospective investors.

II. The security can be registered in any states in which it will be sold.

III. The management of the issuing firm may give interviews in which they discuss the market for their products and future revenue expectations.

IV. The underwriter of the issue may run a tombstone advertisement in the Wall Street Journal to announce the upcoming offering.