Revenue is synonymous with... (reporting for stupid answers)

Ateam of engineers has decided to design a new shoe for people suffering from a painful foot condition. what should the engineers do during the planning stage of their project? a. look at the trial's results to see how the design can be improved. b. build a variety of shoe models. c. have patients wear the new shoe in an experimental trial to see if symptoms improve. d. estimate how much potential consumers would be willing to pay for this new shoe.

Producers can create their maximum combination of goods, s long as what?

When color is used on a topographical drawing, black is used to represent what?