Multiple Activity chart $-$ Assigning Machines to an Operator$(1)$Determine the least$-$cost combination of assigning machines to an operatorgiven that the setup time is $1\mathrm{.}5$ minutes, automated machine run time is $3\mathrm{.}5$ minutes, labor cost$/$hour is $$20,$ and machine cost$/$hour is $$60.$ Draw a multiple activity chart showing the two combinations that should be considered.$(2)$problem is to be completely eliminated.Draw your machine$-$operator assignment if the idle time in the above