Question $2$: A closed traverse shown below:

a$)$ Calculate the error of closure of the angles

b$)$ Adjust the angles for complete closure.

c$)$ Calculate the corrected bearings of line $EA,AB,BC,CD,$ and, given that bearing of DE is $98{17}^{\text{'}}{45}^{\text{'}\text{'}},$

d$)$ Calculate each station's coordinates, given that the absolute coordinate of A is $1000E$ and $2000N.$