Another United States traveler arrives at a United States point of entry. He has purchased a Fiat car abroad that cost him $6,250. If he has not used his duty free exemption yet, how much duty does he have to pay?

399.75

422.75

386.50

Anut store normally sells cashews for? $4.00 per pound and peanuts for? $1.50 per pound. but at the end of the month the peanuts had not sold? well, so, in order to sell 40 pounds of? peanuts, the manager decided to mix the 40 pounds of peanuts with some cashews and sell the mixture for $2.00 per pound. how many pounds of cashews should be mixed with the peanuts to ensure no change in the? profit?