The points P and B are on opposite sides of the river. To determine the distance between P and B, a point Q is marked on the ground and the following measurements are made: The distance between PQ is 230.0 ft, the angle QPB is 53°30', and the angle PQB is 80°15'. The distance from P to B is
A. 282.0 ft. C. 168.6 ft.
B. 313.8 ft. D. 187.0 ft.