Answer:
B. 20,000
Step-by-step explanation:
Standard Variable overhead rate = $6 per units / 2 direct labour hour
Standard Variable overhead rate = $3 per hour
Variable Overhead Spending Variance = Actual hours worked * (Actual overhead rate - Standard overhead rate)
Variable overhead spending variance = 160,000 * (3.125 -3)
Variable overhead spending variance = 160000*0.875
Variable overhead spending variance = 20,000