Next Tuesday, Gerald Morris, president of Queen’s __„ County National Bank (problem 22), will make a surprise inspection of each branch office. He plans to leave the home office at 9:00 A.M., have a...

Next Tuesday, Gerald Morris, president of Queen’s __„ County National Bank (problem 22), will make a surprise inspection of each branch office. He plans to leave the home office at 9:00 A.M., have a one-hour lunch break during the day, and return at 5:00 P.M.

 a. In which order should Gerald Morris visit the branches to minimize his total driving time for the day if he wishes to visit or drive by any branch only once?

 b. What is the minimum total driving time?

c. If Gerald is to spend the same amount of time inspecting each of the four branch offices, how much time will he be able to spend at each branch?