The higher prices for copper contributed $2.6 billion to the company's pretax profit.

Discounted prices also contributed to the high occupancy rate last year.

Contributing for this are very low prices and taxes in the area.

These high prices have contributed to an annoying, though not crippling, increase in the nationwide cost of electricity.

The strong dollar, the high cost of oil and the dropping price of Internet stocks have all contributed to the instability.

Spiraling prices also contribute to the personal crisis of people no longer sure their health insurance company will cover their medical bills.

After the war, however, inflated costs and declining prices contributed to a farm recession that continued through the 1920s.

Lower prices have also contributed to their growing popularity.

The price of £10,000 too high for the team, so fans contributed £2,000.

Higher prices for apparel, airline fares, electric power and a few other items contributed to the increase, which was the smallest since June.