a. Calculate income available to common shareholders.

b. Calculate diluted earnings per share for the year ended December 31, 2023

In 2022 , Blossom Ltd. issued $62,000 of 8% bonds at par, with each $1,000 bond being convertible into 100 common shares. The company had revenues of $73,900 and expenses of $41,100 for 2023 , not including interest and tax. (Assume a tax rate of 25%.) Throughout 2023, 1,300 common shares were outstanding, and none of the bonds were converted or redeemed. (For simplicity, assume that the convertible bonds' equity element is not recorded.)