Which rules are part of referential integrity? Check all that apply. The tables must use a junction table. The primary table must have a primary key. The tables must belong to the same database. The related fields should have the same data type. The related fields should be combined as a composite key. The destination table must be linked through its primary key.

Atlas manufacturing produces a unique valve, and has the capacity to produce 50,000 valves annually. currently atlas produces 40,000 valves and is thinking about increasing production to 45,000 valves next year. what is the most likely behavior of total manufacturing costs and unit manufacturing costs given this change? a. total manufacturing costs will increase and unit manufacturing costs will also increase. b. total manufacturing costs will stay the same and unit manufacturing costs will stay the same. c. total manufacturing costs will increase and unit manufacturing costs will decrease. d. total manufacturing costs will increase and unit manufacturing costs will stay the same.

What are the general categories of capital budget scenarios? describe the overall decision-making context for each.

Why is efficiency an important economic goal?