Consider the following graph:Which one of the following statements is not correct with reference to the graph given above? (a) (b) (c) (d)

• A. On 1st June, the actual progress of work was less than expected.
• B. The actual rate of progress of work was the greatest during the month of August.
• C. The work was actually completed before the expected time.
• D. During the period from 1st April to 1st September, at no time was the actual progress more than the expected progress.