Answer:
Option B. $6800
Explanation:
A real state agent earns a weekly salary of $200.
This week agent sold a home for $120000 and earned a commission of 5.5%.
So weekly earnings of the agent = weekly salary + commission on the sales of a home
= $200 + 5.5% of 120000
=

=

= $6800
Therefore agent's earning for the week was $6800.
Option B. $6800 is the answer.