Layered Mexican Party Salad

3 tablespoons water

2 tablespoons vegetable oil

1 teaspoon ground cumin

1 can (15 oz) Progresso® black beans, drained, rinsed

1 can (15 1/4 oz) Green Giant® whole kernel corn, drained

4 cups torn romaine lettuce

1 container (12 oz) refrigerated guacamole dip

1 1/2 cups finely shredded Mexican 4-cheese blend (6 oz)

3 plum (Roma) tomatoes, chopped

1 can (2 1/4 oz) sliced ripe olives, drained

3 cups nacho-flavored tortilla chips