The data given below shows the production of motor bikes in a factory for some months of two consecutive years.

Study the table given above and answer the following questions:
(a) Draw a double bar graph using appropriate scale to depict the above information and compare them.
(b) In which year was the total output the maximum?
(c) Find the mean production for the year 2007.
(d) For which month was the difference between the production for the two years the maximum?
(e) In which month for the year 2008, the production was the maximum?
(l) In which month for the year 2007, the production was the least?