Problem 9-7A Riverbed Corporation and Martinez Corporation, two companies of roughly the same size, are both involved in the manufacture of shoe-tracing devices. Each company depreciates its plant assets using the straight-line approach. An investigation of their financial statements reveals the information shown below Net income Sales revenue Total assets (average) Plant assets (average) Intangible assets (goodwill) Riverbed Corp. $ 245,500 1,301,000 3,989,000 268,000 431,100 Martinez Corp $ 349,500 1,360,000 3,696,000 1,819,000 For each company, calculate these values: (Round answers to 2 decimal places, e.g. 6.25% or 17.54.) Riverbed Corp Martinez Corp (1) Return on assets (2) Profit margin (3) Asset turnover times times