Problem copied from: Miller-Nobles, T. Mattison, B. \& Matsumura, E. (2016). Horngren's Accointing (11t edition). Boston: Pearson Education Inc. ISBN 978-0-13-385678-1 Juda manufactures coffee mugs that it sells to other companies for customizing with their own logos. Juda prepares flexible budgets and uses a standard cost system to control manufacturing costs. The standard uint costof a coffee mug is based on static budget volume of 59,800 coffee mugs per month: ACTUAL COST AND PRODUCTION INFORMATION FOR JULY: a. Actual production and sales were 62,500 coffee mugs b. Actual direct material usage was 10,000lbs at an actual cost of $0.17 per lb. c. Actual direct labor usage was 3,300 hours at a total cost of $29,700 d. Actual overhead cost was $9.900 variable and $31,000 fixed REQUIREMENTS: 1. Compute the cost and efficiency variances for direct materials 2. Compute the cost and efficiency variances for direct labor 3. Compute the cost and efficiency variances for variable overhead