Balance the assembly line shown below for $($a$)$ a shift output of $25$ pieces and $($b$)$ a shift output of $20$ pieces. Assume an $5-$hou shift, and use the rule: choose the assignable task with the longest processing time. Compute the line efficiency for each case. shift output of $25$ pieces, break ties by choosing the lowest task number. workstation $1$ task a$,$d$,$b$,$ total and idle time? workstation $2$ task e$,$g$,$c$,$ total and idle time? workstation $3$ task f$,$I,h$,$k$,$ total and idlidle time? workstation $4,$ task j$,$ total and idle time? what is the assembly line efficiency percentage? also solve for a shift output of $20$ pieces, break tieTues by choosing the lowest task number. Workstation $1$ task a$,$d$,$b$,$c$,$ total and idle time, workstation $2$ task e$,$f$,$g$,$h$,$ total and idle time, workstation $3$ task I, j$,$ k$,$ total and idle time? what is the assembly line efficiency in percentage?