Melinda worked for 350 hours during the month of Jan 2023. Her normal working month consists of 270 hours (Monday - Friday), of which 20% of the hours were non-productive idle time. Out of 80 hours overtime worked, 50 hours were worked for housekeeping purpose and remaining were worked to complete the production requirement to fulfil the customer's request. The human resource department has the following scheme for overtime worked: 50% premium if overtime worked on any day. Melinda's normal wage rate is RM 40 per hour. Required: calculate the total wages, the amount to be treated as manufacturing overhead, direct labor cost and the records. Question 4 A factory produces 25,000 units with a total cost of $300,000 and total fixed cost of RM100,000. a. What is the variable cost incurred? b. If 30,000 units were produced, (i) what is the total fixed cost, (ii) total variable cost \& (iii) total cost