Future Value and Motivation. Monica intends to invest $$400$ a month in her company's retirement plan. The company will match the entire amount. How much will Monica have in her retirement account after forty years if she earns an annual return of $7\%?$ How much will she have at retirement if she earns $13\%?$ Compare the two amounts. Should the difference affect Monica's choice in investment vehicle?

The amount in Monica's retirement account after forty years if she earns an annual return of $7\%$ is $$.($Round to the nearest dollar.$)$