The chief executive of a construction company enforce the rule of contra charges without advance notification to the sub-contractor.Answer 1Everybody could change the task of job without limitation due to free of instruction from the top man.Answer 2A project supervisor undertakes to change the work procedure when the jobs to be complete in rush without awaiting the instruction from the top man. Answer 3All instruction has to be decided by the nominated party.Answer 4DemocraticDictatorialAu