In economics the value of what a producer or consumer is willing to give up in order to produce or buy something else is called
a)A factor of production
b)Productivity
c)A trade-off
d)An opportunity cost

The revenues of a company increased by 39% in year one and decreased 22% in year two. what is the overall change over the two-year period?

Reqwest llc agrees to sell one hundred servers to social media networks, inc. the servers, which social media networks expressly requires to have certain amounts of memory, are to be shipped “f.o.b. social media networks distribution center in tampa, fl.” when the servers arrive, social media networks rejects them and informs reqwest, claiming that the servers do not conform to social media networks’ memory requirement. a few hours later, the servers are destroyed in a fire at social media networks’ distribution center. will reqwest succeed in a suit against social media networks for the cost of the goods?

Witch is an example of a non durable good?