90. During 2009, Ritter Corporation reported: Net sales Beginning total assets Net earnings Ending total assets Depreciation expense Property, plant, equipment Accumulated depreciation 30,000,000 12,000,000 1,500,000 20.000.000 400,000 8,000,000 2,000,000 30k+1.5k-0-4K = 31.14. Ritter's return on assets is a. ROA 7.5% 9.4% 12.5% 7.9% Allzf Interest Expense Averge Total Aset * 9.4 c. d. L 1zk trok - 16k