(40 points) Stardust manufactures plastic chairs. Information related to the sale and production during the month of March is as follows: - Additional direct material informatiuni Direct materials are budgeted at 15.0lbs. per chair and $4.00 per lb. Actual direct materials used totaled 100,000lbs. - Additional direct labor information: - Direct labor is budgeted at 1 hour per chair and a $20 hourly rate Actual labor hours incurred totaled 12,500 hours a. Determine the flexible budget's direct materials costs. b. Determine the flexible budget variance. c. Determine the direct material price and efficiency variances. d. Determine the labor rate and efficiency variances. e. If fixed overhead allocated is $118,000, determine the production volume variance