For each of the following decisions determine whether the manager is in a short-run or long-run situation.
a. A grocery store manager decides to stay open 24 hours a day rather than 16?
b. A grocery store chain decides to open another store in the city?
c. An office manager decides to add 5 new PC's?
d. An office manager decides to close the old office and move to a larger one?
e. A university president decides to build three new classroon buildings to cope with an expected increase in students?
f. A university president decides to increase faculty teaching loads to cope with an expected increase in students?