PS$\mathrm{.}74$ Bell Computer Is Planning To Launch A New High$-$End Server. Nine Steps Or Tasks Are Required To Assemble This Computer. Daily Demand Is Expected To Be $80$ Units And There Are Three $8-$Hour Shifts Available Each Day To Meet This Production Quota. Req'd Time $($In Minutes$)$ Predecessor Task None A $14$ A $10$ B $5511$ A $,$ D $5915$ G$,$ H What Is The

PS$\mathrm{.}74$ Bell computer is planning to launch a new high$-$end server. Nine steps or tasks are required to assemble this computer.