4. On the table below, summarizing the 10 observations made by an analyst, determine the normal time, and the standard time for the operation.

Elements	Average Selected Time in minutes (from the 10 observations)	Rating Factor
Get drawing and ring clock	2.0	1.23
Remove hob	1.0	1.18
Remove arbor	1.0	1.15
Obtain hob and arbor	3.0	1.25
Place hob	3.0	1.20
Set angle	1.0	1.15
Place arbor	2.0	1.20
Indicate arbor	2.0	1.26
Change index gears	3.0	1.18
Change speed gears	1.0	1.18
Change feed gears	3.0	1.18
Check all gearing	2.0	1.23
Measure piece for size and set for depth	2.0	1.10
Check index and size	7.0	1.20
Set stops	1.0	1.20
Personal Allowance = 5%
Fatigue Allowance = 4%

Required:

1. Compute for the Normal Time
2. Compute for the Total Allowance (Personal, Fatigue and Delay)
3. Compute for the Standard Time Per Unit