Who makes goods and services available to consumers? customers
producers
marketers
executives

You can download answer here

tinyurl.com/wpazsebu

i think it's b or c hope this

manifest functions are the recognized and intended consequences of any social pattern, while latent functions are those unrecognized and unintended consequences. to analyze the manifest functions of any social institution, we have to study its contribution to the continuation of a group, community, or society.