261 Change following sentences beginning on this line from
Tariffs may continue to be complex, derived through political processes. The results of tariffs, which defined products that are available within markets, and they prices at which they can be bought or sold, can be conveyed more easily.
to
In regulated electricity markets, price and products are often defined by complex tariffs, derived through political processes. These tariffs convey the price and product information to making buying and selling decisions easier.