Test marketing is the most accurate method of forecasting future sales

What are the primary sources in the U.S. Constitution of the federal government's power over

international affairs? A) The Privileges and Immunities Clause and the Supremacy Clause B) The Commerce Clause and the Treaty Clause C) The Treaty Clause and the War Powers Clause D) The Commerce Clause and the Privileges and Immunities Clause E) The Treaty Clause and the Police Power Clause

Which of the following describes an early step in the implementation phase of the systems life cycle?

A) The system is detailed functionally, and then its physical design is specified. B) Programs and computer files are designed. C) Operational feasibility is conducted. D) Data and procedures from the old system are converted.