# Normal and standard times

The two steps in preparing chocolate candy bars are molding and packaging. Personal fatigue and delay allowances are set at 15%. The molding machine operator is rated at 110% and the packer is rated at 80%. Observed cycle times per batch are given below.

Observed Cycle Time in Minutes

Task 1 2 3 4

Molding 26 30 29 31

Packing 45 50 35 30

Determine the Normal and standard times for both tasks.

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#### Solution Preview

We have,

Normal time

= (total time) (% of time working on this task) (rating)/(number of units produced)

Standard time = Total Normal time/(1 - Allowance factor)

For Molding:

Average for the actual Molding cycle ...

#### Solution Summary

The solution illustrates the determination of the Normal and standard times for two tasks. Cycle times per batch are observed.

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