Assist on how to answer the question below.

Consider the case of two countries, Afghanistan and the US, both producing carpets and fighter aircraft.The table below shows output rates per day in the two countries if all resources are fully and efficiently employed. Use this information to answer the question. See attached diagram

An appropriate international exchange ratio that would allow mutually advantageous trade to take place would be:

Choose the correct answer.

A 1 aircraft = 25 carpets.

B 1 aircraft = 20 carpets.

C 1 carpet = 4 aircrafts.

D 1 aircraft = 22 carpets.

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