The following table details the tasks required for Indiana$-$based Frank Pianki Industries to manufacture a fully portable industrial vacuum cleaner. The times in the table are in minutes. Demand forecasts indicate a need to operate with a cycle time of $10$ minutes.

$\backslash$table$[[$Activity$,$Activity Description,$\backslash$table$[[$Performance$],[$Time $($mins$)]],$Predecessors$],[$A$,$Attach wheels to tub,$5\mathrm{.}0,-],[$B$,$Attach motor to lid,$1\mathrm{.}8,-],[$C$,$Attach battery pack,$2\mathrm{.}8,$B$],[$D$,$Attach safety cutoff,$3\mathrm{.}8,$C$],[$E$,$Attach filters,$3\mathrm{.}0,$B$],[$F$,$Attach lid to tub,$2\mathrm{.}0,$A$,$ E$],[$G Assemble,$2\mathrm{.}8,,],[,$attachments,,$-],[$H Function test,$3\mathrm{.}7,$D$,$ F$,$ G$,],[$I Final inspection,$2\mathrm{.}0,$H$,],[$J Packing,$2\mathrm{.}0,$I,$]]$

a$-$b$)$ One of the possible assignment of tasks to workstations is shown