Among Frank Welker's voice-acted movies, list the movie titles and the total gross when the estimated inflation rate was less than 2.
Frank Welker refers to voice-actor = 'Frank Welker'; estimated inflation rate was less than 2 can be computed as follows DIVIDE(inflation_adjusted_gross, total_gross) as percentage < 2;
SELECT T1.movie_title, T1.total_gross FROM movies_total_gross AS T1 INNER JOIN `voice-actors` AS T2 ON T1.movie_title = T2.movie WHERE T2.`voice-actor` = 'Frank Welker' AND CAST(REPLACE(trim(T1.inflation_adjusted_gross, '$'), ',', '') AS REAL) * 1.0 / CAST(REPLACE(trim(T1.total_gross, '$'), ',', '') AS REAL) * 1.0 < 2