several plans, and eventually the one shown in Figure $1$ was accepted by the management team.

The assemble plan will run two shifts per day. Each shift will operate for $8$ hours.

The expected demand rate is $30$ fans per day.

Flgure $1$

$\backslash$table$[[$Work element,Immediate Predecessor,Time $($minutes$)],[$A$,.,5],[$B$,*,8],[$C$,$A$,2],[$D$,$A$,4],[$E$,$B$,8],[$F$,$C$,3],[$G$,$B$,$ C$,5],[H,$F$,4],[$J$,$D$,$ H$,2],[$K$,$G$,$ H$,7],[$L$,$E$,$G$,3],[$M$,$:$,5],[$N$,L,M,10],[$P$,$J$,$ K$,6],[$Q$,L,N,8],[$R$,P,Q,10]]$

Based on the information given in the case, answer the following questions. Show all work that you need to arrive at your answers.

e$)$ What is the theoretical number of minimum workstations?

h$)$ Assign work elements according to the shortest processing time rule.