(Adds further comment from interview, background) LONDON, Oct 15 (Reuters) – Britain's finance minister Rachel Reeves said she was looking at both tax rises and spending cuts for her budget on November 26, confirming widely held expectations given her pledges about balancing the country's books. Economic forecasters expect Reeves will need to raise about 30 billion pounds ($40.1 billion) through tax increases at the budget , after the government's borrowing costs jumped by more than expected, a plan to cut welfare costs was dropped and signals that growth forecasts will need to be lowered. "Challenges are being thrown our way…I won't duck those challenges," Reeves told Sky News on Wednesday. "Of course, we're looking at tax and spending as well, but the numbers will always add up with me a
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