1. Domino's pizza is willing is willing to pay Kes 250 in airtime to each person interviewed about his or likes and dislikes of types of pizza crust. Of the people interviewed, 220 liked a thin crust, 270 like a thick crust, 70 liked both and 50 did not like pizza at all. What was the total cost of this survey

2. Concerning the first 41 presidents of the United States we know the following facts: Eight held cabinet posts, 14 served as vice presidents, 15 served in the U.S. Senate, 2 served in cabinet posts and as Vice President, 4 served in cabinet posts and in the U.S. Senate, 6 served in the U.S. Senate and as Vice President, and 1 served in all three positions. How many presidents served in:

a. None of these 3 positions

b. Only in the U.S. Senate

c. At least one of the three positions

d. Exactly two positions