E3.3. Unlevered (Enterprise) Multiples (Easy) A firm reported $250 million in total assets and $140 in debt. It had no interest-bearing securities among its assets. In the income statement it reported $560 million in sales. The firm's 80 million shares traded at $7 each. Calculate

a. The price-to-book ratio (P/B)

b. The unlevered price-to-sales ratio (P/S)

c. The enterprise price-to-book ratio