DE24-1 In a series of Daily Exercises, we are going to prepare budgets and variance analyses for Digital Systems, Inc., a firm that installs household wiring for high-speed Internet connections and high-definition audio and video. For each installation. Digital Systems has budgeted direct materials costs of $500 and direct labor costs of $800. The company has budgeted fixed expenses at 58.000 per month, for 0-50 installations per month. Digital Systems' budgeted sale price is $2.500 per installation. 1. Write out Digital Systems' flexible budget total cost formula. 2. Using Exhibit 24-3 (page 974) as a guide, prepare flexible budgets for Digital Systems for

a. 20 installations per month

b. 30 installations per month