do not solve by excel on computer

Use forward and backward pass X Weekly Content - E 100 Solve for the ID bcswebdav/pid 457282-ct-content-rid-3940047_1/courses/TRIBO 11820300920final!c2osinavi pdf 1/2 2. Recorded observations of an operation including three (3) elements are presented in the following table. The allowance time for the operation consists of personal time 5%, delay 5%, and fatigue 10%. Determine the standard time for the operation. Job Element Observations (Minutes) Performance Ratings-Tempo(%) *** A B 2 2.2 *** 3 2.8 2.9 *** 2.5 3.2 4 3.3 3.2 2.2 5 0.2 3.5 2.9 6 3.5 0.1 3.2 90 110 80 2.7 In the table, the observation values with "***" will be calculated by summing the numbers in Student ID and dividing the sum by "10". For instance, if a Student ID is 118203001, the observations with *****" will be "1.6" minutes [(1+1+8+2+0+3+0+ 0+1)/10). 1