Given the following data on planned and actual inputs and outputs of an automobile service center in terms of standard hours of work, determine the cumulative deviation and the backlog for each period. The beginning backlog is 10 standard hours of work:

1 3 5" 70 70 Day Planned input Actual input 55 45 65 60 70 60 55 65 Planned output 60 55 65 70 70 55 70 Actual output 55 60 65