$10\mathrm{.}15$ Compute and tabulate for the following closed$-$polygon traverse: $($a$)$ preliminary azimuths $($b$)$ unadjusted departures and latitudes $($c$)$ linear misclosure and $($d$)$ relative precision. $($Note: line BC bears NW$.)$

$\backslash$table$[[$Course$,$Azimuth,$\backslash$table$[[$Length$],[(m)$