A Methods and Measurement Analyst wants to develop a time standard for a certain task. In a preliminary study, he observed one worker perform the task six times with an average observed time of 20 seconds and a standard deviation of 2 seconds. What is the standard time (ST) for this task if the employee worked at a twenty percent faster pace than is average, and an allowance of twenty-five percent of the workday is used? 20 seconds 25 seconds 26.7 seconds 30 seconds 32 seconds