A company's total cost, in millions of dollars, is given by C(t) = 130-60e-t where t is the time in years since the start-up date. The graph of C(t) is shown to the right. Find each of the following. a) The marginal cost, C'(t) b) C'(0) c) C'(3) d) Find lim C(t) and 811 lim C'(t). t