The State Bank of Pakistan (SBP) on Friday injected Rs 308.150 billion into open money market for seven days during its Open Market Operation (OMO). According to SBP statement here, out of 25 quotes offered for 7-day tenor which amounted to Rs 360,300 million, 14 quotes worth Rs 308,150 million were accepted. The rate of return is 10.5 percent, it added.