Problem 10-26 Flexible Budget and Overhead Performance Report [LO4, LO5, LO6, LO7] Groschl Company has had great difficulty in controlling manufacturing overhead costs. At a recent convention, the president heard about a control device for overhead costs known as a flexible budget , and he has hired you to implement this budgeting program in Groschl Company. After some effort, you have developed the following cost formulas for the company Solution The Groschi Company Overhead Performance Report .