What Is the Stopping Rule for Choosing One's Years of Schooling

What is the stopping rule for choosing one's years of schooling?

A) end one's schooling when the return from more schooling is zero
B) end one's schooling when the cost of one more year of schooling is zero
C) end one's schooling after college
D) end one's schooling when the rate of return to one more year of schooling equals the worker's rate of discount
E) end one's schooling when the worker's rate of discount equals zero