What function is money playing in each of these situations:a. You walk into a store in Germany and see that all the prices are in euros.b. You buy a candy bar for $1.25.c. Your Aunt Jane keeps $100 bills tucked into many books in her house.

Which of the following is not an example of an economic trade-off that a firm has to face?

A) whether it is cheaper to produce with more machines or with more workers B) whether it should produce more of its product C) whether or not consumers will buy its products D) whether it is to outsource the production of a good or service

Suppose we are working with the simplest possible Keynesian-cross multiplier, but with the permanent-income hypothesis figured in. If k = 0.88,

and j = 0.25, the multiplier of a $1 change in government spending goes from ________ in the short run to ________ in the long run. A) 8.33, 1.28 B) 1.28, 8.33 C) 8.33, 4.00 D) 1.13, 4.00 E) 4.54, 8.33