clearly the cheaper one is Company 2 with almost $590 difference.
[tex]\bf \begin{array}{|c|ll} \cline{1-1} \textit{a\% of b}\\ \cline{1-1} \\ \left( \cfrac{a}{100} \right)\cdot b \\\\ \cline{1-1} \end{array}~\hspace{5em}\stackrel{\textit{6\% of 7009.9}}{\left( \cfrac{6}{100} \right)7009.9}\implies 420.594 \\\\\\ \stackrel{\textit{total cost}}{7009.9+420.594}\implies 7430.494\implies \stackrel{\textit{rounded up}}{7430.49}[/tex]
