\documentclass{article}
\usepackage{longtable}
\usepackage[parfill]{parskip}
\renewcommand{\arraystretch}{1.5}

\begin{document}

{\bf Invoice ID:} ${id} \\
{\bf Date:} \today \\

${name} \\
${address} \hfill ${email}
\\ \\
{\bf Invoice To:} \\
${rcpt}

\vspace{1em}

{\bf Expenses:}

\begin{longtable}{ l r }
\hline
${expenses}
\hline
${totals}
\end{longtable}

\vspace{2em}

\end{document}