The Owner of Kat Motel Wants to Develop a Time

Multiple Choice

The owner of Kat Motel wants to develop a time standard for the task of cleaning a cat cage. In a preliminary study, she observed one of her workers perform this task six times, with the following results: $$\begin{array} { | l | c | c | c | c | c | c | } \hline \text { Observation } & 1 & 2 & 3 & 4 & 5 & 6 \\\hline \text { Time(Seconds) } & 99 & 87 & 90 & 81 & 93 & 90 \\\hline\end{array}$$ What is the normal time for this task if the employee worked at a 50 percent faster pace than average?

A)  45 seconds
B)  60 seconds
C)  90 seconds
D)  135 seconds
E)  180 seconds