A woman starts from her home at `9.00` a. m., walks with a speed of `5 km h^(-1)` on straight road up to her office `2.5 km`away, stays at the offiec up to `5.00 p. m.`, and returnshome by anauto with a seed of `25 kmh^(-1)`. Plot the position-time graph of the woman taking home as origin.