Of course! It all makes sense now.

3 seconds sound clip from the Garfield's Babes and Bullets (1989) movie soundboard.

You can hear this line at 00:02:53.127 in the Blu-ray version of the movie.

Quote context

[...]

- I never know how to answer that question.

- So what brings you here? And why me? There are a hundred private investigators in town with better offices than mine. Who are you?

- My husband was murdered. You're cheap. Tanya O'Tabby. Will you take the case?

- I had to think for a minute... Sure!

- Judging from the way she was dressed, she was obviously tapping some big bucks.

- Of course! It all makes sense now.

- She marries an old geezer, bumps him off, inherits all the money, hires a second-rate investigator to find the killer who she double-crosses, and ends up scot-free.

- So, how old was your husband, Mrs. O'Tabby?

- Twenty-three.

- Of course! It all makes sense now. (2)

- Her husband was obviously a ladies' man. Tanya finds out he's unfaithful and has him snuffed. She hires a second-rate detective to find the killer who she double-crosses, and ends up scot-free.

[...]