The actual costs estimating method would be best suited for which of the following?

1. When there may not be good historical data and the services require a complex mix of labor categories, skill level, or other costs.

2. When there is an existing, detailed, send accurate database of historical services data on which to conduct regression analysis and correlation analysis.

3. When the intend is to aquire essentially the same services, in the same quantity, at same level of quantity in the same location, with the same level of competition as was previously established.

4. When there relevant examples from other acquisitions to account for the differences between the existing and new services contracts.