The Undertaker Parlor Computer
L'ordinateur des pompes funèbres (original)
In this black comedy, Fred (Jean-Louis Trintingnant) works for an insurance company as a computer engineer. Fred is bored with enduring the trials of his shrewish wife, so, after using actuarial tables to calculate the most common means of death, he cleverly prepares the family bathroom and brings about her demise. For a while he is content with his new freedom, but then he recognizes that a friend is in a similar situation.
Starring Jean-Louis Trintignant, Bernadette Lafont, Mireille Darc, Lea Massari, Claude Piéplu, Bernard Fresson, Claudia Marsani, Riccardo Salvino, Béatrice Costantini, Michel Blanc
It's a crime and comedy movie, and has a rating of 5.7 out of 10 from Imdb which is fairly okay for this kind of movie.
Watch it here
Not found streaming from United Kingdom.