Assume Point a on a Linear Production Possibilities Curve Represents

Multiple Choice

Assume point A on a linear production possibilities curve represents the combination of 12 coffees and 3 cappuccinos, and point B represents 3 coffees and 6 cappuccinos. Suppose coffees are on the vertical axis and cappuccinos are on the horizontal axis. The absolute value of the slope of the production possibilities curve between points A and B equals:

A) 6.
B) 4.
C) 3.
D) 1/3.