31. By 1991, it had an operating surplus of $ 1 million, and the hospital expects another surplus this year. 32. Instead, the plan sets an operating surplus goal and leaves Pemex the to choose the best way to achieve it. 33. The net operating surplus ( NOS ) is thus the residual balancing item in the product account, obtained as follows: 34. The plan took the city from near insolvency to an operating surplus of Rand 153 million ( USD 23.6 million ). 35. Current projections suggest that the government will run an operating deficit this year and next year and then run operating surpluses . 36. After four years of operating deficits, the city has posted modest operating surpluses for the past three fiscal years, he said. 37. The category of operating surplus is applied to the whole economy, and therefore may include more than gross corporate profit income. 38. Last year, the building had an operating surplus of more than $ 150, 000, which will go toward the capital improvement program. 39. The district has produced four clean audits reflecting a balanced budget _ the latest with an operating surplus of $ 241 million. 40. Or, to put it a different way, the definition of operating surplus is dependent on the general definition of Gross Output from production.