Which of the following is the best explanation for why we have grades: Group of answer choices a third-party sorting facilitates communication and trading without inspection all quality variation is biologically inevitable to exploit the demand of the consumers the government wants to regulate everything

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

Robert black, regional manager for ford in texas and oklahoma, faced a dilemma. the ford f-150 pickup truck was the best-selling pickup ever, yet ford's headquarters in detroit had decided to introduce a completely redesigned f-150. how could mr. black sell both trucks at the same time? he still had "old" f-150s in stock. in his advertising, mr. black referred to the new f-150s as follows: "not a better f-150. just the only truck good enough to be the next f-150." this statement represents ford's of the new f-150.

Money from an allowance or job is known as .