please show explanation and calculations

1- Stine Inc. had 600 shares of common stock issued and outstanding for all of 2021. Stine also had stock options outstanding throughout all of 2021 which allow the holders to purchase 120 shares of common stock at $28 per share. The average market price of Stines common stock was $35 per share during 2021. The number of shares to be used in computing diluted earnings per share for 2021 is

a. 624

b. 696

c. 600

d. 720

e. 670

2- The following data are from the stockholders equity section of a companys 12/31/2020 balance sheet.

Common stock (16,000 shares issued, $1 par) 16,000

Additional paid-in capital 22,000

Retained earnings 24,000

Subtotal 62,000

Treasury stock (500 common shares, at cost) (5,300)

$56,700

What is total stockholders equity at December 31, 2020?

a. 24,000

b. 62,000

c. 16,000

d. 38,000

e. 56,700