Firms face tradeoffs because A. managers don't know which inputs to use. markets set prices of goods they sell. inputs are scarce. marginal reasoning...

Please help me with these couple multiple choice.  It would be very helpful for my overall assignment.  Please do not ask me to send you an email outside of Course Hero or try to get me to use a service outside of Course Hero.  This has been happening more and more :(  Thank you in advance for your help!  Alex