Original sentence: In 1955, José Antonio Balseiro, a research  scientist and the leading member of the first review panel on  the Huemul Project, took the direction of the recently created Instituto de Física de Bariloche, now Instituto Balseiro, which used Richter's facilities in the mainland, but abandoned the buildings in  Huemul island.Thus the total cost is now estimated at US$3.8 billion, or about $5500/kWe (considerably higher than the US$1.5 billion or about $2200/kWe originally planned in 1981)
Edited sentence: At 5% interest rate the total loss supported by argentinean taxpayers can be estimated being about US$7.5 billion so far.In 1955, José Antonio Balseiro, the leading member of the first review panel on the Huemul Project and to whom no specific innovation or discovery can be attributed in the field of nuclear energy, took the direction of the recently created Instituto de Física de Bariloche, now Instituto Balseiro, which used Richter's facilities in the mainland, but abandoned the buildings in  Huemul island.Thus the total cost is now estimated at US$3.8 billion, or about $5500/kWe (considerably higher than the US$1.5 billion or about $2200/kWe originally planned in 1981 and even higher than the worldwide mean of about $1500/kWe)