Abuja Garments Limited (AGL) manufactures school uniforms for government secondary schools in the Federal Capital Territory. The company uses a standard marginal costing system. The standard cost card for one dozen uniforms is as follows: Direct materials: 6 metres at N1,200 per metre = N7,200 Direct labour: 3 hours at N1,000 per hour = N3,000 Variable overhead: 3 hours at N400 per hour = N1,200 Standard marginal cost per dozen: N11,400 For the quarter ended 30 September 2024, the following budgeted and actual data are available: Budget: Production and sales: 2,400 dozens Selling price per dozen: N15,000 Fixed costs: N6,000,000 Actual: Production: 2,600 dozens Sales: 2,300 dozens Selling price per dozen: N14,500 Direct materials: 16,900 metres at N1,150 per metre Direct labour: 7,500 hours at N1,050 per hour Variable overhead: N3,100,000 Fixed costs: N6,200,000 Required: (a) Calculate the following variances for the quarter: (i) Sales price variance (ii) Sales volume contribution variance (iii) Direct materials price variance (based on materials purchased) (iv) Direct materials usage variance (v) Direct labour rate variance (vi) Direct labour efficiency variance (vii) Variable overhead expenditure variance (viii)Variable overhead efficiency variance (ix) Fixed overhead expenditure variance (18 marks) (b) Prepare a marginal costing operating statement reconciling budgeted profit to actual profit for the quarter ended 30 September 2024. (7 marks) (Total: 25 marks)