What type of disclosure is required of a firm when the major portion of its operations takes place within a single reportable segment? List the types of information that must be presented for each...

What type of disclosure is required of a firm when the major portion of its operations takes place within a single reportable segment? List the types of information that must be presented for each reportable segment of a company under the rules of
SFAS No. 131
[ASC 280].