All of the following are reasons for frictional unemployment except:
the flow of information is imperfect.
geographic mobility takes time.
unemployed workers accept the first job offer that they receive.
workers have different preferences and abilities.

the reasons for frictional unemployment does not include the fact that unemployed workers accept the first job offer that they receive.

Explanation:

Frictional unemployment is a type of unemployment, that can be based on the circumstances of the individual. It is time spent between jobs when a worker is searching for a job or transferring from one job to another.

unemployed workers accept the first job offer that they receive. 

Explanation:

unemployed workers accept the first job offer that they receive. 

Frictional unemployment occurs during a period when workers are searching for new employment or transitioning from their old jobs to new ones. It can also be referred to as natural unemployment. People who accept the first job offer are most likely not immediqtely looking for another job immediately, they will want to settle down and work first.