Having signed off on all of Mr. Hebert's reports, Mr. Harvey is legally presumed to have read and understood its contents. See , e.g ., Brown v. Simoneaux , 593 So.2d 939, 941 (La. App. 4 Cir. 1992) ("[a]n individual who signs a written instrument is charged with the responsibility of having read it and is presumed to know and understand its contents"); Guimmo v. Albarado , 99-286, p. 7 (La. App. 5 Cir. 7/27/99), 739 So.2d 973, 976 ("when a party signs papers they are presumed to know the contents of those papers.").