Data Recovery Systems (DRS) has a degree of operating leverage (DOL), equal to 3.2, and a degree of total leverage (DTL), equal to 8. DRS forecasts that this year’s sales will be $300,000, and that EB

To design a genealogy database with one entity set: People, the information to be recorded about people should include their birth name, date of birth, date of death (if deceased), sex, gender, person's mother, person's father, and any children. This information can be organized in a table called "People" with columns for each attribute. The table can include a primary key for each person to ensure that each record is unique. Relationships between people can be represented by foreign keys linking to the primary keys of their parents and children. This design would allow for easy querying and analysis of family trees and relationships between individuals in the database.