1) Adjust the netv;ork shown below by the method of least squares. (10 pts.) BAC CBA DCA CAD ACB c Angle 47046'13_1" The coordinates (m) for control stations are: Y = 2340.97 Y = 3981.00 a) What is the reference standard deviation, Sc? b) List the adjusted coordinates of the unknown stations and their standard deviations. c) Tabulate the adjusted observations, their residuals and their standard deviations. d) Compare your results with the ones which you obtained in the Assignment-6 and comment on them.