Margaret Thatcher were officially denied by William Heseltine, the Private Secretary to the Sovereign. Thatcher later wrote: "I always found the Queen's attitude towards the work of the Government absolutely correct ... stories of clashes between 'two powerful women' were just too good not to make up." Thatcher's economic policy was influenced by monetarist thinking and economists such as Milton Friedman and Alan Walters. Together with Chancellor of the Exchequer Geoffrey Howe, she lowered direct taxes on income and increased indirect taxes. She increased interest rates to slow the growth of the money supply and thereby lower inflation, introduced cash limits on
Chief Mouser to the Cabinet Office office to coincide with that of a Prime Minister. The cat with the longest known tenure at Downing Street is Wilberforce, who served for thirteen years under Edward Heath, Harold Wilson, Jim Callaghan, and Margaret Thatcher. The post is held by Larry, since 2011. The departure of the previous incumbent, Sybil, was in January 2009. Sybil, who began her tenure on 11 September 2007, was the first mouser for ten years following the retirement of her predecessor Humphrey in 1997. Sybil was owned by the then Chancellor of the Exchequer Alistair Darling, who lived in 10 Downing Street while the