Company has 4,200,000 shares of common stock outstanding on December 31, 2020. An additional 400,000 shares of common stock were issued on May 1, 2021, and 350,000 more on September 1, 2021. On December 1, Perkins Company bought-back 150,000 shares to hold in Treasury. On December 31, 2020 Perkins also issued 5,000, $1,000 face value, 10% convertible bonds (i.e., total $5,000,000 bonds were issued). Each bond is convertible into 45 shares of common stock. No bonds were converted into common stock in 2021. What is the number of shares to be used in computing basic earnings per share and diluted earnings per share, respectively, for the year ended December 31, 2021?

	a.	4,570,833 and 4,795,833
	b.	4,520,833 and 4,920,833
	c.	4,200,000 and 4,450,000
	d.	None of these answers are correct.
	e.	4,950,000 and 5,450,000