ELJAY Sdn Bhd (ESB) manufactures a product named as LJ88. The following data are related to the actual output, cost and variances in the year 2020 for ESB. The opening and closing work in progress are the same. Actual productions of LJ88 36,000 units Actual cost incurred: Direct material purchased and used (300,000 kilograms) RM420.000 Direct wages for 64,000 hours RM272,000 Variable production overhead RM 76,000 Variances: Direct material price Direct material usage Direct labour rate Direct labour efficiency Variable production overhead expenditure Variable production overhead efficiency Note: F denotes favourable variance U denotes unfavourable variance RM30,000 F RM18,000 U RM16,000 U RM32.000 F RM12,000 U RM 8,000 F Variable production overhead varies with labour hours worked and a standard marginal costing system is operated. The management is very concerned about the unfavourable variances resulting from the production operations. The management has asked you as the finance executive for help. REQUIRED: (a) Prepare the standard product cost sheet for ONE (1) unit of LJ88. (Hint: calculate each variance and show the details of all your calculations)