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A firm has total account receivable of $1500, which represents 10 days' sales. Average total assets are $75000. The firm's operating profit margin is 10%. Assume that 1 year has 365 days. This firm's ROA is equal to A) 2.36% B) 10.95% C) 3.65% D) 7.30% E) 6.32% Determine net income for the following firm: $500,000 sales, $300,000 cost of goods sold, $20,000 administrative expense, $20,000 depreciation expense, $60,000 interest expense, no changes in working capital, and a tax rate of 40%. The net income of this company is A) $64,000 B) $78,000 C) $36,000 D) $60,000 E) $40,000