2. (1 point) During November, York Company recorded 5,100 actual direct labor hours, $20,600 actual variable overhead costs, and 2,400 units of product manufactured. York Company's standard variable overhead rate is $3.50 per direct labor hour, and each unit requires 2.5 standard direct labor hours. What is the variable overhead efficiency variance for November for York Company?

a. $2,750 unfavorable

b. $400 favorable

c. $3,150 unfavorable

d. $900 favorable

e. $3,150 favorable

f. $2,750 favorable

g. $2,250 favorable

h. None of the above