PAL Enterprise manufactures cars with the following assembly line: Production time is $450$ minutes per day, and $100$ cars are required per day. Determine the following:

A$.$ Cycle time

B$.$ Theoretical required minimum number of stations

C$.$ Efficiency of the assembly line

$\backslash$table$[[,,],[$Task$,$Predecessors,Time $($Minutes$)],[$A$,$None,$2\mathrm{.}5],[$B$,$A$,1],[$C$,$None,$4],[$D$,$A$,$ C$,1],[$E$,$D$,1],[$F$,$E$,1],[$G$,$B$,1],[$H$,$F$,$G$,1]]$