An audit ordered by Nigeria’s outgoing president was published on Monday, seeking to explain why $19 billion in oil revenue never made it into the government’s bank accounts. The report caps a year-long political debate over how Africa’s top oil exporter manages its revenue, a debate that help lead to President Goodluck Jonathan’s ouster last month. PricewaterhouseCoopers Ltd., which conducted the audit, said Nigeria’s state-owned oil company, Nigerian National Petroleum Corp., deposited $19 billion less than expected from January 2012 to July 2013. According to the report, $10 billion went to kerosene and motor fuel subsidies. The remainder went to operations itemized by the audit, such as $2 billion spent financing the growing debt of the company. The oil company spends so much money on fuel subsidies and other operations that it may operate close to a loss this year, barring an overhaul or a rise in oil prices, […]