The answer is in parenthesis. Need help figuring out how he got to this answer.

Question 18 0/6 points A methods and measurer tents analyst needs to develop a time standard for a certain task. In a preliminary study, he observed one of his workers perform this task five times, with the following results: Observation 1 2 3 4 5 Time (secs) 89 84 78 83 80 What is the standard time for this task if the employee worked at a 23 percent slower pace than average and an allowance of 22 percent of the job time is used? (Keep one decimal place in your answer) Answer: 52.3 x (124.2)