Using the graph below, answer the following questions about hammers. 
a. What is the equilibrium price of hammers before trade?
b. What is the equilibrium quantity of hammers before trade?
c. What is the price of hammers after trade is allowed?
d. What is the quantity of hammers imported after trade is allowed?
e. What is the amount of consumer surplus before trade?
f. What is the amount of consumer surplus after trade?
g. What is the amount of producer surplus before trade?
h. What is the amount of producer surplus after trade?
i. What is the amount of total surplus before trade?
j. What is the amount of total surplus after trade?
k. What is the change in total surplus because of trade?
Definitions:
Kilograms
The base unit of mass in the International System of Units (SI), equivalent to one thousand grams, used globally for measuring weight.
Pounds
A unit of weight in the imperial system, equivalent to 0.453592 kilograms.
Common Denominator
The shared multiple of the denominators of two or more fractions, allowing them to be compared or combined.
Sum
The result of adding two or more numbers or quantities together.
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