A company found that new employees prefer training sessions of moderate length, shorter training sessions provided too little instruction to complete a task, while longer training sessions contain too much instruction to remember. For a training session on a particular task, the company determined that the ratings new employees gave for the training session could be approximatedby R(t)=32t/t²+256 where t is the length of the training session in minutes. Find the training session length that received the highest ratingThe training session length that received the highest rating is____minutes(Simplify your answer.)