Tariffs can be helpful if the imports are unfairly cheaper than the domestic counterparts. This would level the playing field and help the domestic companies compete more effectively.
Tariffs can be harmful for consumers because there is strong possibility that the increased costs will raise consumer prices.
Answer:
Estado de inmovilidad de un cuerpo sometido a dos o más fuerzas de la misma intensidad que actúan en sentido opuesto, por lo que se contrarrestan o anulan.
Estado de inmovilidad de un cuerpo, sometido únicamente a la acción de la gravedad, que se mantiene en reposo sobre su base o punto de sustentación.
Explanation:
Marginal revenue is defined as the amount that you gained after selling all your units at a certain price. Revenue is different from profit, because profit has to incorporate the expenses incurred in order to produce the product. For total revenue, that would just represent the total sales of a firm or company. However, marginal revenue is the additional cost a consumer has to pay when he acquires an additional unit of the product. Thus, marginal revenue is the change of sales per unit product.
Marginal Revenue = ΔRevenue/ΔNumber of units
Marginal Revenue = [21($9.75) - 20($10)]/(21-20)
Marginal Revenue = $4.75 per unit

Whatever you were learning, write about it. Since this is post is in middle school, your teacher probably expects atleast half a page to be written in. Write about whatever was asked to be written in the entry. If you're reading a book for class, it may need to be a summary of what you read in the book. If you had an assignment, it's probably about the assignment. "Journal entry" means to write in your notebook, so this wasn't very clear what you need help with, ask a classmate about what assignment needs to be written about
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