Which of the following could NOT be classified as a substitute good? A. Cars and Motorcycles
B. jeans and Khakis
C. Butter and Margarine
D. soup and crackers​

Which two statements regarding graduated driver licensing are true? select all the correct answers. gdl new drivers gain skills under low-risk conditions. gdl new drivers gain skills under high-risk conditions. gdl laws are the same across states. gdl laws vary across states. gdl does not need parental supervision and coaching.