past performance, for each squad to complete each case is as follows:

Each squad is composed of different types of specialists, and whereas one squad may be very effective in certain types of cases, it may be almost useless in others.

a$)$ Solve the problem by using the assignment method.

The optimal assignment of case to squad that minimizes the total time is:

The cumulative time in days of the optimal assignment of cases to squads is days $($enter your response as a whole number$).$

b$)$ Assign the squads to the above cases, but with the constraint that squad $5$ cannot work on case E because of a conflict.

We can avoid the assignment of squad $5$ to case E occurring by assigning a very high value to that combination. In this case, we assign $50.$

The optimal assignment of case to squad that minimizes the total time is:

The cumulative time in days of the optimal assignment of cases to squads is $$ days $($enter your response as a whole number$).$