Even though free trade is better for all countries, we see in real life applications that some countries are still imposing trade restrictions.
a) Please discuss the nature of these restrictions one by one. Provide diagrams if
necessary to empower your answer.
b) Why do you think these restrictions are applied by governments even though they
contradict with free trade and welfare of countries?
c) Can you provide at least three recent policy examples to part (b) used by different
countries?

Inventory by three methods; cost of goods sold the units of an item available for sale during the year were as follows: jan. 1 inventory 20 units at $1,800 may 15 purchase 31 units at $1,950 aug. 7 purchase 13 units at $2,040 nov. 20 purchase 16 units at $2,100 there are 18 units of the item in the physical inventory at december 31. determine the cost of ending inventory and the cost of goods sold by three methods, presenting your answers in the following form: round your final answers to the nearest dollar. cost inventory method ending inventory cost of goods sold a. first-in, first-out method $ $ b. last-in, first-out method $ $ c. weighted average cost method $ $