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 cost of installing a sprinkler system varies widely. Professional installation can range from $3,000 on up to $6,000. Doing it yourself brings the cost down to around $1,500 but requires your time and manual labor.The first step to installing a system yourself is to take advantage of the free information provided by sprinkler manufacturers.rofessional installation can range from $3,000 on up to $6,000. Doing it yourself brings the cost down to around $1,500 but requires your time and manual labor. The first step to installing a system yourself is to take advantage of the free information provided by sprinkler manufacturers.