Using the cumulative data provided from the Integrated Program Management Report (IMPR), what is the cost performance index (CPI) for the Cooling System Work Breakdown Structure (WBS) element?
(IMAGE DESCRIPTION: WBS number 1.1.3.10, Cooling System, has a BCWS of 1830, a BCWP of 1444, an ACWP of 1973, a BAC of 2291, and an EAC of 2706.)