Treasury is forecasting the economy will grow by an average of 2.7% over the next four years, and the Government's books will return to a surplus a year earlier than expected, in 2028/29.

The finance minister used her election-year Budget to preach prudence and discipline, with the books now forecast to be back in black a year earlier than picked.

The budget forecasts a return to a budget surplus in 2028/29, a year ahead of the December update.

Treasury is forecasting the economy will grow by an average of 2.7% over the next four years, and the Government's books will return to a surplus a year earlier than expected, in…

Analysis: Nine charts show how a combination of cuts and predictions of better times to come gave the finance minister her surplus show-stopper.