The project original budget at completion is 100,000 WH. The total earned value is 90,000 WH with a cumulative CPI of 0.95. The project has expended a total of 94,737 WH. (The project duration is within seven percent of completion.) You are the project manager. Which one of following ETCs would you report to senior managers? O a. ETC = 100000 - ACWP = 100,000 - 94,737 - 5,263 WH. O b. ETC = BAC -BCWP = 100,000 - 90,000 = 10,000 WH. C ETC = (BAC - BCWP) / CPI = (100,000 - 90,000) / .95 = 10,526 WH. O d. ETC > 10,526 WH