Kiama Ltd produces and sells unique body boards. Kiama Ltd had the following standards for one type of its products for June 2018: The following information about the actual performance during June 2018 was as follows: 1. Actual output units (body board) produced, 1800 2. Direct materials purchased and used 3780 kilograms at a price of $10.35 per kilogram 3. Actual direct manufacturing labour costs, $13365 4. Actual hours of direct labour used were 810 hours. Required (show your workings): (a) Calculate favourable or unfavourable price variance for direct materials (b) Calculate favourable or unfavourable efficiency variance for direct materials (c) Calculate favourable or unfavourable rate (price) variance for direct labour (d) Calculate favourable or unfavourable efficiency variance for direct labour (e) Give a plausible explanation for the variance occurred for direct material variances 10 marks 10 marks 10 marks 10 marks 10 marks