Bridgeport Limited had 47,400 common shares on January 1, 2020. On April 1, 7,920 shares were repurchased. On August 31, 14,880 shares were issued.

(a1) Calculate the number of shares outstanding at December 31, 2020.

Number of common shares outstanding enter a Number of common shares outstanding = ?

(a2) Calculate the weighted average number of shares for 2020. (Do not round intermediate calculations.)

Weighted average number of shares enter the Weighted average number of shares =?