Dr$.$ Lori Baker, operations manager at Nesa Electronics, prides herself on excellent assembly$-$line balancing. She has been told that the firm needs to complete $90$ instruments per $24-$hour day. The assembly$-$line activities are:

This exercise only contains parts $\backslash ($ b$,$ c$,$ d$,$ e$,$ f $\backslash ),$ and $\backslash ($ g $\backslash ).$

b$)$ For the given daily $(24-$hour$)$ production rate of $90$ units, the highest allowable cycle time $\backslash (=16\backslash )$ minutes $($enter your response as a whole number$).$

c$)$ If the cycle time after allowances is given as $10$ minutes, then the effective daily $(24-$hour$)$ production rate $\backslash (=144\backslash )$ units $($enter your response as a whole number$).$

d$)$ For the given $10-$minute cycle time after allowances, the theoretical minimum number of workstations $\backslash (=6\backslash )($round your response up to the next whole number$).$

e$)$ Using the longest assigned task time of all of the workstations and $6$ workstations, the operating efficiency of the assembly line $\backslash (=\backslash$quad $\backslash \%\backslash )($enter your response as a percentage rounded to two decimal places$).$