The term refers to the supplemental information provided in a proposal. It often includes examples of past projects, client testimonials, and technical specifications.

A. overview
B. references
C. executive summary
D. appendices

D. appendices

Explanation:

The term appendices refers to the supplemental information provided in a proposal. It often includes examples of past projects, client testimonials, and technical specifications. Appendices basically provide the readers with the additional information which help them in better understanding the proposal in a greater detail. It is combination of additional and supplementary materials which includes the results of the past projects, testimonials, supportive data  and other technical specification of the project, which can't be included in the main body of the proposal.

the u.s. census bureau produces data on the population and economy nationwide. it can you to analyze the kind of people living in your neighborhood. it does not show you the market of people willing to buy your product or an existing market for your product. that will require more market research. the census bureau only gives you an insight to the demographics in your area.