Company uses standard costing.Overhead information for last quarter of the year:Actual overhead incurred:Fixed $10,500Variable $66,810Budgeted fixed overhead $11,000Variable overhead rate per direct labor hour $5Standard hours allowed for actual production 13,100Actual labor hours used 13,000A. What is the variable overhead spending variance?B. What is the variable overhead efficiency variance?(Spending variance is $1,810 unfavorable)