a$)$ The Azimuth angles are given as follows $(12$ points$)$:

$78{36}^{\text{'}}{47}^{\text{'}\text{'}}$

$153{45}^{\text{'}}{27}^{\text{'}\text{'}}$

$223{14}^{\text{'}}{07}^{\text{'}\text{'}}$

$293{44}^{\text{'}}{32}^{\text{'}\text{'}}$

Convert the azimuths from north to bearings.