What are the requirements that two relations must satisfy in order to be considered union-compatible?

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.

Spartan credit bank is offering 7.5 percent compounded daily on its savings accounts. you deposit $5,900 today. a. how much will you have in the account in 4 years? (use 365 days a year. do not round intermediate calculations and round your answer to 2 decimal places, e.g., 32.16.) b. how much will you have in the account in 12 years? (use 365 days a year. do not round intermediate calculations and round your answer to 2 decimal places, e.g., 32.16.) c. how much will you have in the account in 19 years?

Elite coffee and bakery, a café that offers a relaxing environment to enjoy quality coffees, teas, soups, and other menu items, has a poster in the front of its restaurants that reads, "we will always provide a quality product to our customers better meet the challenges of their day and always take the time to offer caring service one person at a time." this statement is elite's