Problem 15.23 - Bookmatch Question Help 0 1 F 2 D Sox jobs are to be processed through a two-step operation. The first operation involves sanding, and the second involves painting. Processing times we as follows: 3 Job A B A B D E F Operation 1 (hours) 10 7 5 3 2 4 Operation 2 (hours) 5. 4 7 8 6 3 For the schedule developed using Johnson's rule, the total length of time taken to complete the six jobs (including the 2nd operation) hours (enter your response as a whole number). Enter your answer in the answer box and then click Check