Answer: Barbara needs to look for running balance or the amount the has been recorded.
Well the quantity theory is "The hypothesis that changes in prices correspond to changes in the monetary supply" so when inflation happens the price will increase but when that happens the purchases and the value of money will decrease so will its demand. That's the speculation that the prices will not correspond to the monetary supply
Answer:
Natural:
b.A diamond company that owns nearly all of the world's diamond mines.
d.A soda company that spends over $3 billion on advertising every year.
e.A waste-treatment plant that cost a lot to build even though it costs only two cents to treat each gallon of waste.
Government
a.A small-town bar that is the only establishment in the county licensed to serve liquor.
c. A pharmaceutical company receives a patent for a new cancer-fighting drug.
Explanation:
Government barriers are licenses or patents that prevent future firms from entering, natural is everything else.
Answer:
C seems the most reasonable
