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Question 1 [5 marks) 1. Total costs are $180,000 when 10,000 units are produced; of this amount, variable costs are $64,000. What are the total costs when 13,000 units are produced? Question 2 (5 marks) 2. At an activity level of 6,900 units in a month, UberZip Corporation's total variable maintenance and repair cost is $408,756 and its total xed maintenance and repair cost is $230,253. Compute the total maintenance and repair cost, both fixed and variable, at an activity level of 7,100 units in a month? Assume that this level of activity is within the relevant range: Question 3 (4 marks) 3. Woodlands Limited has the following estimated costs for the next financial year: Direct materials $4,000 Direct labour $20,000 Rent on factory building $15,000 Depreciation on factory equipment $8,000 Indirect labour $10,000 Production supervisor's salary $12,000 The company estimates that 20,000 labour-hours will be worked during the year. If overhead is applied on the basis of direct labour-hours, calculate the predetermined overhead rate per hour. Question 4 (6 marks) 4. Bedok Limited absorbs manufacturing overhead at the rate of $40 per machine hour. Budgeted machine hours for the current period were anticipated to be 120,000; however, the actual machine hours being worked was only 90,000. Budgeted and actual manufacturing overhead gures for the year were $4,800,000 and $4,180,000 respectively. How much is overhead over-applied or under-applied, stating clearly whether it is over or under applied