While other firms in the discount-chain industry, such as Wal-Mart, have had 24-hour stores for years, Target Corporation has tried to cut costs and keep employee shifts simple with limited hours. However, Target management is considering an option to make all Target stores open 24 hours. This would be a(n) ______ change for Target. a. Innovative b. Incremental c. Adaptive d. Radically innovative e. Motivative f. Reactive