This report is from this week's CNBC's UK Exchange newsletter. Like what you see? You can subscribe here. Although her next Budget remains three weeks away, exhausted political commentators are already confident of some measures to be announced by Rachel Reeves, the U.K.'s finance minister. One is a further extension of the freeze in the thresholds at which people begin to pay the basic and higher rates of income tax. Another is a 4% rise in the National Living Wage (NLW) — the minimum hourly