public function add_leads_table_column( $columns ) {
		$my_columns = array(
			MortgagePlatform::$prefix . 'lead_phone'       => esc_attr__( 'Phone', 'mortgage_platform' ),
			MortgagePlatform::$prefix . 'lead_email'       => esc_attr__( 'Email', 'mortgage_platform' ),
			MortgagePlatform::$prefix . 'lead_zipcode'     => esc_attr__( 'Zip Code', 'mortgage_platform' ),
			MortgagePlatform::$prefix . 'lead_yearofbirth' => esc_attr__( 'Year of Birth', 'mortgage_platform' ),
			MortgagePlatform::$prefix . 'lead_investmentamount' => esc_attr__( 'Investment Amount', 'mortgage_platform' ),
		);

		return array_slice( $columns, 0, 2 ) + $my_columns + $columns;

	}