_ is a formal invitation containing a scope of work which seeks a formal response (proposal) describing both methodology and compensation to form?

RFP (Request For Proposals)

 My opinion is that the right answer is D 

Answer is D. Request for proposal

D. Request for proposal................................

Thanks for your invitation. Option D- Request for proposal.

D. Request for Proposal

In which interested companies can show their strength to execute the project. 

D. Request for proposal

Request for proposal seeks all or some of the following details from potential vendors/suppliers

1. Price for providing product or service

2. Basic corporate information and history

3. Financial information

4. Technical capability 

5. Stock availability

6. Estimated completion period or lead time

7. Customer references etc.

D. Request for proposal. it is a invitation for work and work response 

I would like to select option D as my answer.