Use the IPMR data (In $Millions) to answer the question below. BCWS BCWP ACWP BAC EAC 7 6 6 10 10 Calculate the Schedule Performance Index (SPI). Based on the SPI: a. The contractor seems inefficient in terms of schedule. b. The contractor seems efficient in terms of schedule. c. The contractor will meet their Estimate at Completion (EAC) of 10. d. The contractor has finished 85% of the work.