Problem #$2$ Consider the Kristen's Cookie case and suppose that the sequence of tasks is the same, but the duration of some of the tasks changes to the following: As in the case, you will mix and spoon; your roommate will set up and load the oven, pack, and accept payment. Furthermore, assume that three identical ovens are available for your use. $(1)$ Consider a particular day when each customer order is for one dozen cookies. $($a$)$ What will be the steady$-$state system capacity $($in dozens per hour$)$ if your roommate is not available and one of the three ovens breaks down? $(5$ points$)$