c) It will require the United States to spend money to defend the islands.
Explanation:
Carnegie believes that conquering the Philippines would cost the US money because it will require the US to spend money defending the islands from foreign invasion.
4.50 times 5 will get how much marty makes a day. Which will get you to 22.50. Multiple that by 4 to see how much he make a week which will be 90. Then multiple that by 3 bc he works for 3 works . So the answer is 270
