PA $3-9($Algo$)$ Consider a four$-$step serial process with...

Consider a four$-$step serial process with the number of workers at each step and processing times given in the following table.

$\backslash$table$[[$Process Step,Number of Workers,Time per Customer $($in$],[1,1,$Minutes$)],[2,5,8],[3,4,19],[4,5,13]]$

Assuming that the process starts out empty and is worker$-$paced, how long will it take $($in minutes$)$ to serve $20$ customers?

Note: Round to nearest minute.

Answer is complete but not entirely correct.

Time taken

$333$

minutes