Allyson Cooke is a union member and an employee of a company that manufactures surgical equipment. She believes she has a grievance because her supervisor made her work an hour longer than usual for several days and has refused to pay her any overtime. Cooke should contact her , who represents union members to management when workers have complaints.

national union president

Explanation:

Since she wasn't paid for overtime, Cooke should contact her national union president, who represents union members to management when workers have complaints.

The aim of the national union is to seek solution to any challenges that are faced by their members. The union also make sure that their members have a comfortable working environment that is safe and also help on negotiating for better pay.

see below

Explanation:

The Federal Reserve serves as the bank for the federal government. It offers banking services to the government just like commercial banks provide services to the general public.

The Federal Reserve is the regulator of commercial banks in the country.

From the list, the roles of the Federal Reserve and commercial banks are as follows.

Federal bank

Regulates safe and lawful operations

Provides financial services to the government

Conducts nations monetary polices

Other commercial banks

Accepts deposits from people

Lends money through to consumers and businesses