The check processing team at Acme Check Processing Corp. has been timed performing four work elements within the results as shown (observations are in minutes):

The allowances for these four work elements are as follows: Personal: 7%, Fatigue: 10%, and Delays: 3%.

a) What is the normal time?

b) What is the standard time?

if you can explain your answers that would be great thanks

Observation #2 4 Work Performance Element Rating (%) Open 115 Review 90 Enter 90 File 80 Observation #1 .6 .7 .7 1.6 Observation #3 .6 .7 .7 2.0 Observation #4 4 .6 .5 1.7 Observation #5 4 .7 .5 1.5 .8 .4 1.8