Element 1 2 5 6 Autograph Brochure Address Envelope Stuffing envelope Sealing, sorting 2.8 0.8 0.4 1.0 3.3 4.1 0.5 0.9 Observations Minutes) 3 4 2.5 2.6 0.6 0.8 0.6 0.3 2.7 1.0 2.1 0.8 1.7 0.9 3.5 0.7 0.5 Performance Rating (%) 85 100 95 125 3.6 Rock Dreams promotes a wide variety of Rock and Roll Fantasy Camps where the average person can meet, learn from, and perform with rock icons. Owner Mick Mars uses brochures sent via direct mail as a part of his marketing. The brochures are signed by some of the musicians who participate. To prepare brochures for mailing, he conducts a time study of his employees. On the basis of the observations shown in the following table, he wishes to develop a time standard for the whole job. Rock Dreams uses a total allowance factor of 12%. Mars decides to delete all unusual observations from the time study. Using the data provided calculate: a. Average time b. Normal time c. Standard time Calculate to 2 decimal places and make sure to record unit of measure