Case Assignment

Case:
Some of the employees of Righteous Apps, Inc., decide that they want to be represented by the Science Workers Union in bargaining with Righteous Apps over overtime pay and the times that the offices open and close. Righteous Apps, and some employees, including Truman, are against the union.

Answer this:
Who can demand that a union election be held?
If the union is elected, does it have to represent Truman?
If the union is elected, does Righteous Apps have to bargain over overtime pay and the times that the offices open and close?
For this assignment/post of no less than 250 words