Read the scenarios below and determine what contract type should likely be used for each. Provide details that support your choice of contract.

James Newman, Contracting Officer (CO), currently has five separate contract actions to award for her agency:

1. A contract for 6 months of office supplies estimated to cost $150,000 in total; items and quantities needed will vary depending on usage.
2. 70 computers estimated to cost $210,000.
3. Furniture for an office of 70 people; and conference room space rented as needed for up to 4 meetings for a year.
4. A security fence and guardhouse construction estimated to cost $2 million.
5. An IT service contract including application development and systems integration estimated to cost between $2 million and $4 million per year for two years.