Exercise $18-13($Algo$)$ Treasury stock; weighted$-$average and FIFO cost $[$LO$18-5]$

At $D_x$ cember $31,2023,$ the balance sheet of Meca International included the following shareholders' equity accounts:

$\backslash$table$[[$Shareholders$\text{'}$ Equity,$($$ in millions$)],[$Common stock, $85$ million shares at $$1$ par,$$85$