Let p(t) represent the price of an ounce of copper at any given point in time. The change in the price of copper with respect to time, t is given by 8 + 21.\" plus 10% of the pre-existing price of copper at time t. The copper has a price of $800lounce at time t = 0. a) Solve for the expression showing the price of copper as a function Of time. :_'..:. :: ; L : :i -1 H b) Characterize the time path of the price of copper. 3:?? E'~-=- 3;. c) Is it plausible for copper prices to be characterized by your answers in a) and b) in the real world? [Answer must be typed]