Sam takes a five-dollar bill from his wallet. he exchanges the bill for four quarters and four one-dollar bills. he then uses the change to buy a bottle of water from a vending machine. which characteristics of money has sam best demonstrated?
acceptability, divisibility, and portability
divisibility, scarcity, and stability of value
durability, portability, and standard
medium, scarcity, and value
i think its the first right am i right

Aplant manager is considering buying additional stamping machines to accommodate increasing demand. the alternatives are to buy 1 machine, 2 machines, or 3 machines. the profits realized under each alternative are a function of whether their bid for a recent defense contract is accepted or not. the payoff table below illustrates the profits realized (in $000's) based on the different scenarios faced by the manager. alternative bid accepted bid rejected buy 1 machine $10 $5 buy 2 machines $30 $4 buy 3 machines $40 $2 refer to the information above. assume that based on historical bids with the defense contractor, the plant manager believes that there is a 65% chance that the bid will be accepted and a 35% chance that the bid will be rejected. what is the expected value under perfect information (evpi)?