Jackson Company Uses a Standard Cost System What Were the Actual Hours Worked for the Month of to Direct

Jackson Company uses a standard cost system.The following information pertains to direct labor for product B for the month of October:
$$\begin{array} { | l | c | c | } \hline \text { Standard hours allowed for actual production } & 2,000 & \\\hline \text { Actual rate paid per hour } & \$ 8.40 & \\\hline \text { Standard rate per hour } & \$ 8.00 & \\\hline \text { Labor efficiency variance } & \$ 1,600 & \cup \\\hline\end{array}$$ What were the actual hours worked for the month of October?

A) 1,800.
B) 1,810.
C) 2,190.
D) 2,200.