So please make your homework to.
1. Production in US means, the unit costs are up. The outsourced production via licence model was a good price deal. At least in belgium and netherlands the productioncosts where lower.
2. the market for the 16 is drying anyway, because many jobs of the mission profile can be done by drones, that are getting much more affordable within the next years. That is a problem all early 4th generation fighters concepts face. stealthy and more computerized jets are available on the marked.
3. concurrent 4th generation products where offered more offensive, like the SU-27 etc.
The market for the 16 is narrowing down. At least, many second hand models of the 16 are rushing in as well.