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In 2020, Caterpillar Incorporated had about 540 million shares outstanding. Their book value was $46.0 per share, and the market price was $110.30 per share. The company's balance sheet shows that the company had $2.67 billion of long-term debt, which was currently selling near par value. a. What was Caterpillar's book debt-to-value ratio? Note: Do not round intermediate calculations. Enter your answer as a decimal rounded to 2 decimal places. b. What was its market debt-to-value ratio? Note: Do not round intermediate calculations. Enter your answer as a decimal rounded to 2 decimal places. c. Which measure should you use to calculate the company's cost of capital? Answer is complete but not entirely correct