To right this, managers examined the accounting system and interviewed production mansgers to understand costs. The following four key activity areas emerged as primary sources for all MOH, and related cost driver information is also included here. Includes rent, depreciation, and utilities (a) Your answer is correct: Organize the activity areas into the most aporopriate cout hierarchy levels. Calculate the activity based rates to coincide with the four key activity areas noted above. (Round answers to 2 decimal places, es 15.25.)