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Bank Management Printers, Inc., produces luxury checkbooks with three checks and stubs per page. Each checkbook is designed for an individual customer and is ordered through the customer's bank. The company's operating budget for September 2014 included these data: The actual results for September 2014 were as follows: The executive vice president of the company observed that the operating income for September was much lower than anticipated, despite a higher-than-budgeted selling price and a lower-than-budgeted variable cost per unit. As the company's management accountant, you have been asked to provide explanations for the disappointing September results. Bank Management develops its flexible budget on the basis of budgeted per-output-unit revenue and per-output-unit variable costs without detailed analysis of budgeted inputs. Required: 1. Prepare a static-budget-based variance analysis of the September performance. 2. Prepare a flexible-budget-based variance analysis of the September performance