Accounting for the property damage component is straightforward.

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Although salaries for British chief executives are about 20% higher than for Americans, they are becoming less important as a component of pay, accounting for 52% of total compensation in 1997, but only 41% in 2003.

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Cathode ray tubes (CRTs) were an important component of TV and computer screens, accounting for 50% to 70% of their price.

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The largest component by a wide margin is consumer spending, accounting for nearly 70% of total GDP.

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