Answer: Recommendation report
Explanation:
A recommendation report provides or suggest various solutions to a problem and conclude by making a recommendation of the best solution amongst the suggested solutions.
This report is persuasive because every information that is given on it is thoroughly researched and backed up with evidence.
Provided that I have done the research and found an all in one machine that is efficient , I shall write a recommendation report with all the researched justifications or evidence which will give someone a concrete idea of how effective and efficient this method is.