(Can you please answer all 4 questions)

Show all your working. If you use Excel, spreadsheets require detailed annotation to show formulae and workings. There is no specific requirement about decimal points and no penalty because of rounding. MightyMix is a concrete block manufacturing company that uses standard costing for cost control and performance analysis. MightyMix also uses normal costing and its budgeted manufacturing overhead for September 2023 is $180,000+$2/ direct labour hour. Information relating to actual manufacturing overhead for September 2023 is presented in Exhibit 1. MightyMix plans to produce and sell 92,000 blocks in September 2023 and 100 blocks should be able to be produced per hour. Exhibit 1 MightyMix's actual manufacturing overhead information for September 2023 Required: 1. Calculate the variable manufacturing overhead variances in as much detail as possible, and the variable under/over allocated overhead. (4 marks) 2. Calculate the fixed manufacturing overhead variances in as much detail as possible, and the fixed under/over allocated overhead. (2 marks) 3. Calculate the total manufacturing overhead variances in as much detail as possible, and the total under/over allocated overhead. (1 marks) 4. Explain why MightyMix has favourable, unfavourable or no variances calculated above. What actions, if any, might the firm need to take after looking at these variances