Cathy's salsa (pico de gallo)

6-8 vine ripened tomatoes, diced
1 white onion, diced
1 bunch cilantro finely chopped, mostly leaves
1 small can diced green chiles

1 T vinegar
1 T ketchup

Seasonings to taste:

salt
pepper
garlic powder
onion powder
cumin
chili powder (opt)