Use the information provided below to calculate the following variances. In each case state whether the variance is favourable or unfavourable. 1.3.1 Material quantity variance 1.3.2 Labour efficiency variance 1.3.3 Variable manufacturing overheads expenditure variance INFORMATION Redrow Enterprises uses standard costing to exercise control over costs. The Standard variable costs to produce 18 000 units of Product Zap are as follows: Materials: 72 000kg at R9 PER KG Labour: 18 000 hours at R80 Per hour Variable overheads: 9 per labour hour The Actual results for May 2024 in respect of Product ZAP are as follows: 75 000kg of material were purchased for R750 000 63 000kg of material were used to produce 15 000 units of Product Zap Direct Labour costs amounted to R1 248 000 (16 000 direct labour hours.) Variable overheads costs incurred were R147 200.00