Callum is a 79-year-old widower. his wife died nearly 2 years ago and he still seems to be in a stage of unrelenting mourning, talking almost exclusively about his wife and their life together and declining to join his family on outings he once enjoyed. callum's behavior seems to be indicative of

Which situation is the best example of regulation in an economic system? a retail business just opened a new store in a community close to its original location. a small clothing shop slashed it prices to attract customers from a larger department store nearby. a farmers’ market has offered a special deal to customers from a nearby yoga school. a state agency has been created to monitor the production and distribution of sports drinks.