t the nonmoving party cannot prevail, it is incumbent on the nonmoving party to submit evidence to rebut the motion for summary judgment. See Holl v. Talcott, 191 So. 2d 40, 43 (Fla. 1966), It is not enough for the —— party merely to assert that an issue of fact does exist. Fisel v. Wynns, 667 So.2d 761, 7