Marco Is a Franchisee with Daggies,a Chain of Sandwich Shops

Multiple Choice

Marco is a franchisee with Daggies,a chain of sandwich shops.His business was doing well until several Daggies franchisees got in trouble and were forced to close their shops.Soon afterward,Marco's business deteriorated and he too was forced to close.

A) the coattail effect.
B) management by exception.
C) an economic shakeout at work.
D) the law of diminishing returns.