The topic sentence is usually the first sentence of a paragraph, but not necessarily. It may come, for example, after a transition sentence; it may even come at the end of a paragraph. Topic sentences are not the only way to organize a paragraph, and not all paragraphs need a topic sentence.
1 Network installation costs are also influenced by the number of areas in which installation services will be performed. 2  For a two-to three-room installation, costs may range from approximately $160 to $250, while an entire house with network installations in six to seven rooms can cost about $420 to $840. Plan on spending at least $100 to $150 per room. 2  So for instance, if you were to have three rooms, it could cost about $300 to $450. 3  According to Homewyse.com, the average cost to install computer network wiring is $149.93 to$196.03 per connection.
The actual cost to install a gas line depends on the amount of piping needed, the local economy, the complexity of the installation, and other factors. 1  As a very general estimate, installing gas line costs $20 to $30 per foot. 2  In some areas and circumstances, however, the price could be $75 per foot or more.lthough gas line installation is relatively simple, depending on how many gas appliances you already have and the configuration of you existing gas lines, some situations could be more complicated. At any rate, installing gas lines is dangerous, and youâre going to need to hire a professional.