c$)$ Ignoring part b$,$ the branch manager is considering paying the CSRs for overtime. How many overtime hours should the level $1$ CSRs and level $2$ CSRs work each day to handle all the customers?

d$)$ lgnoring part b and c $,$ the branch manager is now considering cross$-$training the CSRs$.$ Will cross training provide enough capacity for the customer support team?

e$)$ The cross$-$training program is implemented and LACU starts to receive complaints from the premier checking customers because of deteriorated service quality. Is it possible to meet the demand by asking level $1$ CSRs to help only with the core$-$checking customers? For full credit, explain your answer using specific numbers.