Question $5$

$5\mathrm{.}1$ Consider the assembly line network below. The assembly line operations $($A to G$)$ indicate their processing times in minutes. Productive time is $52$ minutes and demand $400$ units per hour.

$5\mathrm{.}1\mathrm{.}1$ Optimize the above assembly line by balancing the line.

$(20)$

$[20]$