8. Starmer Company had the following variances this period:

Revenue sales price variance $12,000 unfavorable Direct materials efficiency variance $800 favorable Direct materials price variance $1,100 favorable Direct labor efficiency variance $8,000 unfavorable Direct labor price variance $6,000 favorable Variable overhead efficiency variance $3,500 unfavorable Variable overhead spending variance $4,000 favorable Contribution margin sales volume variance $7,000 favorable Fixed cost spending variance $10,000 unfavorable Income was budgeted to be $171,000. Actual income was $156,400.

Double-check the accuracy of the variance calculations by ensuring that their net equals the difference between budgeted and actual income.