Brainliest to who answers! what is the function of a purchasing cooperative, or co-op?

Functions performed—cooperatives may perform one or more of three core functions: marketing products, purchasing supplies, and providing services. These functions further explain a cooperative's purpose and scope. Marketing cooperatives assist members in maximizing the returns they receive for the goods they produce. a

d. i assume the underlined word is "role." reformat if it isn't.

explanation:

role is closest to part because when replacing words, "playing a vital decision," "playing a vital activity," and "playing a vital dollar" don't make logical sense. the only meaningful choice is "playing a vital part."

this fits one of merriam-webster's definitions of role: "a function or part performed especially in a particular operation or process."