out of first disbursement of 100 Mio, 50 Mio was invested. that leaves the remaining 50 Mio which is spent on the project. It is similar in the later periods where any fund taken out of the bank is either spent on the project or invested elsewhere. And at times funds invested elsewhere is taken back to invest in the project. At the end of it all the invested fund is routed back and spent in the project.