A methods and measurements analyst for Digital Devices needs to develop a time standard for the task of assembling a computer mouse. In a preliminary study, she observed one of her workers perform this task six times with the following results: Observation 1 2 3 4 5 6 Time(Seconds) 46 38 40 34 42 40 What is the standard time for this task if the employee worked at a 20 percent faster pace than average and an allowance of 25 percent of the workday is used?

a.40 seconds

b.50 seconds

c.53.3 seconds

d.60 seconds

e. 64 seconds