$[6$:$59$ PM$,3/6/2024]$ komol vai Semo: An order for $500$ of a product is processed on operation A and operation B$.$ The setup time on A is $50$ minutes, and the run time per piece is $6$ minutes. The setup time on B is $30$ minutes, and the run time is $4$ minutes per piece. It takes $30$ minutes to move a lot between A and B$.$ Since this is a rush order, it is given top priority and is run as soon as it arrives at either workstation. The total manufacturing lead time for processing these $500$ pieces is:

$75\mathrm{.}17$ hours

None of the above

$85\mathrm{.}17$ hours

$55\mathrm{.}17$ hours

$65\mathrm{.}17$ hours