Correct Answer:
(a) CPI= BCWP/ACWP
Cost performance index (CPI): The ratio of budgeted costs to actual costs (BCWP/ACWP) and CPI is often
used to predict the magnitude of a possible cost overrun.
Reference: Chandramouli Subramanian, Saikat Dutt, Chandramouli Seetharaman, B. G. Geetha-Software Engineering- Person Education