Virginia College promotes a wide variety of executive training courses for firms in the Arlington, Virginia, region. Director Wendy Tate believes that individually written 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. - Disregard-secretary stopped to answer the phone ^ Disregard-interruption by supervisor The college uses a total allowance factor of 12%. 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)