Which statement(s) concerning the completion and signing of standard preprinted sale documents is/are correct? (i) It is essential that the parties sign the document in the spaces allocated for their signatures. (ii) All amendments to pre-printed clauses should be initialled by both the buyer and seller. (iii) All blank spaces that have not been filled in must be initialled by both the buyer and seller. Select one: a. all of the above b. none of the above c. (i) and (ii) only d. (iii) only e. (ii) and (iii) only