Economics Homework Help

homeworks that i need help with is in the attachment. 1 of the question is -Assume that you can produce 100 tubes of toothpaste in the U.S. You want to sell 50
tubes of toothpaste in China and 50 tubes of toothpaste in South Korea. The price of a
tube of toothpaste in China is 10 yuan and the price of a tube of toothpaste in South
Korea is 7 won. The currency exchange rates are 5 yuan = 1 dollar and 2.5 won = 1
dollar. If the export tax in U.S is 0.5 dollar per tube and sales taxes are 3 yuan per tube
in China and 2 won per tube in South Korea respectively, how much would you expect
to earn by selling 100 tubes of toothpaste?
3
a. 200 dollar
b. 170 dollar
c. 150 dollar
d. 120 dollar