When a company calculates its earnings per common share for its financial statements, it uses the weighted- average number of common shares outstanding during the year. Enertec Corp. began its fiscal year (January 1 to December 31) with 5 million common shares outstanding Additional common shares were issued during the year as indicated in the following table New public offering Event Employees and officers exercise stock options Convertible bonds exchanged for shares What was average number of common shares outstanding during the year? (Assume that each month has the same length) A 6250000 B. 5250000 C. 6255000 D. 6252500 Additional Shares Issued 1,000,000 500,000 750,000