Use the Following Scenario to Answer the Following Questions

Multiple Choice

Use the following scenario to answer the following questions:
Karl and Jager produce cars and trucks.Karl can produce 10 cars per hour or 5 trucks per hour.Jager can produce 12 cars per hour or 4 trucks per hour.
-Based on the scenario,Karl's opportunity cost of one car is ________ truck(s) .

A) one-quarter of a
B) one-half of a
C) two
D) four
E) six