• • 10.42 Arunachalam Narayanan has been clocked performing three work elements in the office, with the results shown in the following table. The allowance for tasks such as this is 15%.

a) Find the normal time.

b) Find the standard time.

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OBSERVATIONS (SECONDS) PERFORMANCE ELEMENT 1 2 3 4 5 6 RATING (%) 1 13 11 14 16 51* 15 100 23 2 3* 21 25 73* 26 23 110 3 *Disregard-possible error. 3 3.3 3.1 2.9 3.4 2.8 100