The factor$-$price equalization theory and transportation costs

Which of the following statements about the factor$-$price equalization theory and the effects of transportation costs are correct? Check all that apply.

Differences in transportation costs across countries affect the volume and composition of trade.

Differences in transportation costs do not affect the comparative advantage of trading nations.

Transportation costs and other trade barriers cannot prevent product prices from equalizing.

A product will be traded internationally as long as the importing country is willing to pay more than the exporter's cost to produce the good plus the cost to transport it$.$

Which of the following statements about transportation costs are correct? Check all that apply.

When tralisportation costs rise, markets tend to substitute goods that are from closer locations.

International transportation costs are increasing everywhere in the world except in the United States.

Transportation costs have declined due to technological improvements for transporting goods.

Since the $1960$ s$,$ transportation costs, as a percentage of the value of all U$.$S$.$ imports, increased twofold.

The decline in the U$.$S$.$ relative cost of international transportation has contributed to a higher volume of trade.