Exercise 22-18 The Dinkle and Frizel Dental Clinic provides both preventive and orthodontic dental services. The two owners, Reese Dinkle and Anita Frizell, operate the clinic as two separate inwestment centers: Preventive Services and Orthodontic Services. Each of them is in charge of one of the centers: Reese for Preventive Services and Anita for Orthodontic Services. Each month, they prepare an income statement for the two centers to avaluate performance and make decisions about how to improve the operational effidiency and profitability of the dlinic Recently, they have been concerned about the profitabillity of the Preventive Services operations. For several months, it has been reporting a loss. The responsibility report for the month of May 2017 is shown below. Actual from Budget $40,000 $1,000 Favorable Scrvice revenuc Variable costs Filling materials S,000 100 Unfavorablo 3,900 100 Unfavorable 1,900 350 Favorable 2,500 0-Neither Favorable nor Unfavorable Dental assistant wages Utilities 500 13,800 110 Unfavorable 40 Favorable Total variable costs Fixed costs: Allocated portion of receptionist's salary Dentist salary 3,000 9,800 6,000 0-Neither Favorable nor Unfavorable 200 Unfavorable 400 Unfavorable Allocated portion of building depreciation 15,0001,000 Unfavorable 33,800 1,600 Unfavorable $(7,600) S560 Unfavorable Total fixed costs Operating income (loss) In addition, the owners know that the investment in operating assets at the beginning of the month was $82,400, and it was $77,600 at the end of the month. They have asked for your assistance in eveluating their current performance reporting system. Prepare a responsibility report for an investment center as illustrated in the chapter. (Round ROI to 1 decimal place, e.g. 1.5.) DINKLE AND FRIZELL DENTAL CLINIC Preventive Services Responsibility Report For the Month Ended May 31, 2017 Difference Favorable F Unfavorable U Neither Favorable nor UnfavorableN Budget Actual Return on investment Click if you would like to Show Work for this question: Open Show Work