After learning the value of flexibility from an operations lecture, TG $\text{'}$s manager decides to cross$-$ train the workers in Molding Workshop A and Molding Workshop B$,$ so that they are capable of molding both basic and funky items. It still takes $3$ minutes for a worker to process a basic item and $5$ minutes for a worker to process a funky item. Below is the new process diagram of TG$.$

c$)$ What are the capacity $($in items per hour$)$ and implied utilization of the Molding Workshop when the molding workers are cross$-$trained?

d$)$ When assembly workers are cross$-$trained $($but molding workers are not cross$-$trained$),$ which workstation is the bottleneck? What is the capacity of Trojan Gadgets in items per hour?