Please help with 16.01 and 16.02

Standard Job Order Costing - Variance Analysis Special order lamps are manufactured in division S. Because of the precise nature of the process a standard cost system has been developed. The following standards are used for the special orders: Standards Lamp Kits Direct Labor Variable Overhead ** Fixed Overhead Total $ 16.000000 per lamp 2.400000 per lamp (4 lamps/hr.) 0.250000 per lamp (4 lamps/hr.) 10.000000 per lamp $ 28.650000 ** Fixed overhead is based on expected production of 4,011 customized lamps each month. To keep records of the actual cost of a job, a Job Order Cost System has been developed. Entries are made to the Order System at ual cost (overhead is applied sed on actual labor hours) while entries are made to the accounting system at standard. Variance analysis is used to analyze the differences. Job Order Costing Section On January 1, 20x2, Division S began Job 1101 for the Client, THE BIG CHILDREN STORE. The job called for 4,000 customized lamps. The following set of transactions occurred from January 5 until the job was completed: 5-Jan Purchased 4,200 Lamp Kits @ $16.40 per kit. 9-Jan 4,250 sets of Lamp Kits were requisitioned. 17-Jan Payroll of 600 Direct Labor Hours @ $9.60 per hour. 30-Jan Payroll of 650 Direct Labor Hours @ $9.85 per hour. 30-Jan 3,989 lamps were completed and shipped. All materials requisitioned were used or scrapped. Month End Overhead Information Actual Variable Overhead Actual Fixed Overhead $ 1,325.00 $ 40,373.45 Note: Show favorable variances as negative numbers What was the variable overhead efficiency variance ? {16.01} What was the variable OH spending variance ? {16.02} What is the fixed OH volume (denominator) variance? $ 220.00 {16.03} What is the fixed OH spending variance? $ 263.45 {16.04}