Question $4(10$ pts$)$: Consider a call center. How will the following performance metrics change, if we

add additional telephone lines $($i$.$e$.$ increasing the waiting space. Number of operators stays the same$).$

Assume no customer abandonment. Circle one of the options.

$($i$)$ Percent of the callers getting blocked $-----------$ a$)$ increases, b$)$ decreases, c$)$ stays the same

$($ii$)$ Throughput $--------------------------------------------$ a$)$ increases, b$)$ decreases, c$)$ stays the same

$($iii$)$ Utilization $---------------------------------------------$ a$)$ increases, b$)$ decreases, c$)$ stays the same

$($iv$)$ Number of customers waiting $-------------------$ a$)$ increases, b$)$ decreases, c$)$ stays the same

$($iv$)$ Customer dissatisfaction $($due to waiting time$)--$ a$)$ increases, b$)$ decreases, c$)$ stays the same

Question $5(7$ pts$)$: There are two ways to allocate two identical restrooms in your business. The first

option is to create two unisex restrooms that can be used by anyone, regardless of gender. The second

option is to designate one restroom for men and the other for women, limiting usage to the

corresponding gender. Considering that the gender ratio of your customers is $1$:$1,$ discuss which option

would be more effective in minimizing restroom wait times and under what circumstances.