The finance manager for Divine Designs is trying to predict the net profits of the company for each of the next four years. She does not know exactly what the net profits will be each year, so she left them as variables. Year Net Profits 1 a 2 b 3 c 4 d If she assumes that the net profits will grow at an exponential rate during this time span, which of the following equations must be TRUE? A. b – a = c – b = d – c B. image C. b + a = c + b = d + c D. b ∙ a = c ∙ b = d ∙ c