Virginia College promotes a wide variety of executive training courses for firms in the? Arlington, Virginia, region. Director Wendy Tate believes that individually typed letters add a personal touch to marketing. To prepare letters for? mailing, she conducts a time study of her secretaries. On the basis of the observations shown in the following? table, she wishes to develop a time standard for the whole job.
Element Performance Rating 1 2 3 4 5 6
Typing letter 80 2.5 3.5 2.7 2.1 2.6 3.2
Typing envelope 105 0.7 0.7 0.5 0.8 3.1 0.7
Stuffing envelope 90 0.4 0.5 2.0 0.2 0.6 0.5
Sealing, sorting 125 1.0 2.9 0.8 0.9 4.4 1.0
*Disregardlong dash—secretary stopped to answer the phone
^ Disregardlong dash—interruption by supervisor
The college uses a total allowance factor of %10. Tate decides to delete all unusual observations from the time study.
The standard time for this process? = minutes ?(round your response to two decimal? places).