What do you think this quote means? "Architects have to become designers of eco-systems. Not just designers of beautiful facades* or beautiful sculptures, but systems of economy and ecology, where we channel the flow not only of people, but also the flow of resources through our cities and buildings."

An air compression refrigeration system is to have an air pressure of 100 psia in the brine tank and an allowable air temperature increase of 60°f for standard vapor compression cycle temperatures of 77 f entering the expansion cylinder and 14 f entering the compression cylinder, calculate the coefficient of performance a. 2.5 b 3.3 c. 4.0 d. 5.0