Answer:
$15
Step-by-step explanation:
Given that,
The world price of a shirt = $10
Tariff imposed = $5
By considering the above information, the price of a shirt would be
= World price of a shirt + Tariff imposed
= $10 + $5
= $15
The price of a shirt in the United States increased to $15
Simply we added the price of a shirt and the tariff which is imposed