Please answer questions in 5 or more sentences

Q1) What's the opportunity cost of typical college education? Q2) Compare earning potentials between high school and college graduates through life lifetime active career. Q3) What's your opinion about staying or dropping out from college? Will the possible forgiveness of student loans affect your decision on staying in college? Q4) Since the future will be highly technology oriented, will higher education be very necessary ? Because robots with artificial intelligence can replace many jobs of human labor in the future