He says these already use energy more efficiently than other sectors because their energy costs are high - so there is a finiteamount they can improve.
If you try to grow faster by spending more on marketing, your SAC will rise (assuming a finiteamount of opportunities to buy customers, which is true).
The department's spokesman added that it understood from Shell that there was a "finite amount of oil that can be dispersed" but stressed that regulators were taking the leak seriously.
While it remains an uncomfortable fact for the public, the truth is that there is a finiteamount of money available and each treatment has to be judged on price.
Although, with plentiful oil and natural gas in the US, the pressure on energy conservation has eased a bit it is clear that there is a finiteamount of accessible energy available and conservation of energy is important to preserve these assets for future generations.
The key to the 1996 reforms was that the block grants to each state were finite, not matching, so the federal funding did not vary with the amount the state spent.