Required: Classify each cost as fixed, variable, or mixed, using hours of professional setvice as the activity driver. use the high-law method to separate the mixed costs into their fixed and variabie components. (Note: Round variatNe rates to two decimai piaces and fixed amounts to the nearest cioiiar.:) Luz Mondragon, the chief paraprofessional of the clinic, has estimated that the clinic v/iil average 140 professional hours per month. If the clinic is to be operated as a nonprofit organization, how rnuch wili it need to charge per professiona; hour? How much of this charge is variable ? How much is fixed? (Note: Round answers to two decima\ places) Conceptual connection Suppose the accounting center average 170 professional hours per month. How much would need to be chargedper hour for the center cover its costs? Explain Why the per-hour charged decreased as the activity output increased. (Note: Round answers to two decimal places.)