1 (28 Marks) Dudgeon Harper Limited manufactures a single product and the following standard costs apply. For the period, production was budgeted at 15,000 units/ Direct materials Direct labour Budgeted fixed production overheads 2.5 kilos at 9 per kilo 4.5 hours at 13.50 per hour 405,000 Fixed production overheads are absorbed on the basis of standard direct labour hours. The actual data for the period when production was 15,900 units, are as follows: Direct materials purchased and used 41,250 kilos costing 8.90 per kilo. Direct labour Fixed production overheads 69,900 hours at a cost of 13.95 per hour 425,000 Required: a) Calculate the following production cost variances for the period: 1. Direct material total il. Direct material price iii. Direct material usage iv. Direct labour total v. Direct labour rate vi. Direct labour efficiency vil. Fixed production overhead expenditure viii. Fixed production overhead volume (24 Marks) b) Provide a specific reason for the variances in each of your calculations, a) ii,iii,v and vi above. (4 Marks)