If a company issues 10,000 shares of $1 par value common stock at a market price of $50 per share, which of the following is the correct balance sheet entry?

a. Increase common stock and cash by $10,000

b. Increase cash by $500,000 and increase earned capital by $500,000

c. Increase revenues by $500,000

d. Increase cash by $500,000 and increase contributed capital by $500,000