A Methods and Measurements Analyst for Timepiece, Inc. needs to develop a time standard for the task of attaching a watch to a wristband. In a preliminary study, he observed one of his workers perform this task five times, with the following results: Observation $234$ Time $($seconds$)2719202113$ 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 percent of the workday is used? $($A$)20$ seconds B $24$ seconds C$)25$ seconds D$)28\mathrm{.}8$ seconds E $30$ seconds E A Methods and Measurements Analyst for Timepiece, Inc. needs to develop a time standard for the task of attaching a watch to a wristband. In a preliminary study, he observed one of his workers perform this task five times, with the following results: 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 percent of the workday is used? $20$ seconds $24$ seconds $25$ seconds $28\mathrm{.}8$ seconds $30$ seconds