Beverly Company has determined a standard variable overhead rate of $3.00 per direct labor hour and expects to incur 2 labor hours per unit produced. Last month, Beverly incurred 9,700 actual direct labor hours in the production of 5,000 units. The company has also determined that its actual variable overhead rate is $3.10 per direct labor hour. 45. What is the variable overhead rate variance? a. $970 F b. $900 F c. $970 U d. $70 U 46. What is the variable overhead efficiency variance? a. $970 U b. $900 F c. $900 U d. $70 U