The following data are used for questions 3 to 12 The Big Book Company builds wooden bookshelf wall units. The company's standard costs are: Wood 25 pounds at P6.40 per pound Trim 8 pounds at P10.00 per pound Direct labor 5 hours at P12.00 per hour Variable overhead P 30.00 per unit Fixed overhead P. 130,000 per period, applied at the rate of P20.00 per unit A recent month's transactions were: 160,000 pounds of wood were purchased at P6,50 per pound; 50,000 pounds of trim were purchased at P9.60 per pound. 155,000 pounds of wood were issued to production; 48,500 pounds of trim were issued to production. Direct labor incurred was 31,000 hours at an average cost of P 11.50 per hour. Overhead costs were P302,000, of which P 181,000 were variable. Six thousand units were produced during the month. 12. Using the two-way variance analysis for combined fixed and variable overhead, what was Big Book's overhead production volume variance? a. P 1,000 U b. P 10,000 0 P 9,000 U d. P 10,000 F c