Under MSRB rules, if a customer requests, the dealer A B C D must disclose the order priority provisions on a new issue but does not have to disclose the underwriter's spread in a competitive bid new issue must disclose the order priority provisions on a new issue and must disclose the underwriter's spread in a competitive bid new issue does not have to disclose the order priority provisions on a new issue but must disclose the underwriter's spread in a competitive bid new issue does not have to disclose the order priority provisions on a new issue and does not have to disclose the underwriter's spread in a competitive bid new issue