$\text{Rechenweg:} \\ \color{660099}{10.000{,}00€}\cdot \color{009999}{1{,}19}\,= \color{ff6600}{11.900{,}00€} \\ \color{ff6600}{11.900{,}00€}- \color{660099}{10.000{,}00€}\,= \color{cc0000}{1.900{,}00€} \\\text {oder} \\ \color{660099}{10.000{,}00€€}\cdot \ \color{009999}{19}\div \color{006400}{100}\,= \color{cc0000}{1.900{,}00€}$

$\def\arraystretch{1.25} \text{Buchunssatz:} \\\begin{array}{l} \\{6000 \text{ AWR}}\,\,\,\,\,\,\,\,\,\,\,\, \color{660099}{10.000{,}00€}& &\,\,\,\,\text{an}&&&&4400&\text{VE}\,\,\,\,\,\,\, \color{ff6600}{11.900{,}00€}& \\{2600 \text{ VORST}}\,\,\,\,\,\,\,\, \color{cc0000}{1.900{,}00€} \end{array}$