Assume the MPL_c = 2 Cars and the MPL_b =

Assume the MPL_c = 2 cars and the MPL_b = 5 boats. There are 150 workers in this hypothetical economy. If cars are measured on the vertical axis and boats are measured on the horizontal axis, the slope of the PPF for this economy is:

A) -5.
B) -5/2.
C) -2/5.
D) -1/5.