estimated_monthly_edd_metrics.php

function hg_add_estimated_monthly()
{
	$estimated = edd_estimated_monthly_stats();
?>
	<div class="postbox metrics-sidebar">
        <div class="inside" style="padding-top: 11px;">
	        <strong><?php _e( 'Estimated monthly earnings: ', 'easy-digital-downloads' ); echo edd_currency_filter( edd_format_amount( $estimated['earnings'] ) ); ?></strong>
		<hr>
		<strong><?php _e( 'Estimated monthly sales: ', 'easy-digital-downloads' ); echo edd_format_amount( $estimated['sales'], false ); ?></strong>
        </div>
	</div>
<?php
}
add_action('edd_metrics_dash_sidebar', 'hg_add_estimated_monthly');