$(8$ pts$.).$ For the given traverse, compute the following:

a$)$ Bearing of line $BC$

b$)$ Azimuth $($from north$)$ of BC

c$)$ Azimuth $($from north$)$ of $AB$

d$)$ Azimuth $($from north$)$ of BA

Note: You must show your calculations $($neatly please$)$ for full credit.