In 2022 , Cullumber Ltd. issued $60,000 of 9% bonds at par, with each $1,000 bond being convertible into 100 common shares. The company had revenues of $76,000 and expenses of $42,800 for 2023 , not including interest and tax. (Assume a tax rate of 20\%.) Throughout 2023, 2,000 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.) (a) Calculate income available to common shareholders. Income available to common shareholders