I read this question somewhere recently.. but could not find the source now., can some one help on the below question.

Company A found unique medical product , they wanted to contract the work to a vendor. To surprise , they found only one vendor is availale for that kind of work for that unique skill. What kind of contract the Company A should estalish.

1. FP

2. CPFF

3. CPIF

4.CPAF

5. CPF

6.CPPC

7. T&M