Which of the following loans results in the greatest monthly payment? a) $210,000 at 9.25% for 15 years. b) $280,000 at 2.50% for 15 years. c) $430,000 at 4.50% for 30 years. d) $250,000 at 8.25% for 15 years. e) $410,000 at 5.75% for 30 years. f) $80,000 at 6.75% for 30 years