In your construction project, the CPI is 1.30 and SPI is 0.85. What could be the potential reason ?()
A.A critical resource went on sick leave for a long period of time, which had not been anticipated earlie
B.The Cost of raw materials required for construction increased 10%.
C.You had not taken into account inflation rat
D.There was 4 days waiting time in the curing of cement, and work could not be done during that tim