Sunny plc (Sunny) manufactures only one type of product product Z. The standard cost per unit of product Z is as follows: Material 2 kg @ $24/kg Labour 3 hours @ $44/hour Variable overheads 3 hours @ $11/hour Budgeted production and sales for November are 1,200 units with the selling price of $399 each. Budgeted fixed overheads are $600,000 per quarter incurred evenly each month. In November, actual results are as follows: Production and sales were 1,290 units with the selling price being $20 per unit less than the budget. The cost of material was $58,050. Because of using better quality materials, there was a favourable usage variance of 0.2kg per unit. Labour worked 3,600 hours and received a 3% pay rise at the start of November. Fixed and variable overheads were $197,530 and $43,200 respectively. Required: Calculate the variances and prepare the marginal costing Operating Statement for November