Complex sentence: However, in 1951 the bank pulled the plug on the company after which it was placed in a form of administration and automobile production was run down, with the last S4s produced in April 1952.
Split into simpler sentences: However, in 1951 the bank withdrew funding from the company after which it was placed in a form of administration. Automobile production was run down, with the last S4s produced in April 1952.