This would be a perfect example of the system of barter as you are trading one book for the other. You can see from here what barter is, a trading system which involves direct exchange of goods without some kind of medium of exchange, for example money. Services can also be traded this way.
Answer: Supporters of the progressive system claim that higher salaries enable affluent people to pay higher taxes and that this is the fairest system because it lessens the tax burden of the poor
Explanation:
The advice that you can give to Phia who is one month
pregnant in terms of teratogens is that they are a factor in which could harm
the embryo because it causes them to malfunction and that means it could give
the child a birth defect or halt the pregnancy.
