Q1. An attestation service is a type of assurance service in which a professional accounting firm issues a report about the reliability of an assertion that is made by another party. Required: (i) What do you mean by attestation service? (ii) What are the various categories of attestation service? (iii) Which type of professional accounting firm is referred to in the above statement? (iv) Who is another party mentioned above? (v) Give two examples of assertion mentioned above? Briefly explain how the reliability of an assertion can be assured.