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 truck is ________ cars.

A) four
B) one and a half
C) two
D) three
E) eight