Balance Sheet Income Statement Current Current 12 5 Total Revenue 30 A D Non- Non- Current 18 Current 6 Total Operating Expense 15 A D Total A 30 Total D 11 Total Interest Expense 6 Owner equity Total Expense Net Income from Operations Assume A, D, and E are the same for the last two years. Assume all information needed to answer this question is provided. What is this firm's ROA? 20% 50% 10% -30%