18. (15 points) The following information includes the most recent period's results for Okoye Co. Okoye Co. uses machine hours to allocate factory overhead. Variable Overhead Expense Fixed Overhead Expense # Units Produced # Machine Hours Actual $255,000 $265,000 65,000 87,750 Budget $ 198,000 $247,500 44,000 66,000 a. Compute a three-column variance analysis of variable manufacturing overhead for the results reported above. Include all appropriate variance amounts and descriptions. b. Compute a three-column variance analysis of fixed manufacturing overhead for the results reported above. Include all appropriate variance amounts and descriptions. Provide the amount and indicate if Fixed Overhead is Over or Under allocated. C. Discuss a relevant insight about Okoye's capacity based on the Production Volume Variance results of your analysis above. Discuss capacity, not variance amounts from above.