The length and bearing of a closed traverse ABCDA are given
Line Length (m) Bearing (WCB)
AB 300 0°
BC 1200 45°
CD 800 180°
DA ? ?

The missing length and bearing of line DA are
A. 938 and 258°
B. 928 and 228°
C. 918 and 248°
D. 928 and 248°