public function translate( $key ) {

		$val = $this->get( $key );

		switch ( $key ) {

			case 'payment_type':
				if ( 'single' === $val ) {
					$val = __( 'Single', 'lifterlms' );
				} elseif ( 'recurring' === $val ) {
					$val = __( 'Recurring', 'lifterlms' );
				} elseif ( 'trial' === $val ) {
					$val = __( 'Trial', 'lifterlms' );
				}
				break;

			default:
				$val = $val;
		}

		return $val;

	}