Salsa Chicken Soup

4 boneless chicken breasts
1 tsp garlic powder
1 tblsp cumin
½ tsp chili powder
1-49 oz can chicken broth
1-16 oz jar mild or medium chunky salsa
1-15 oz can black beans, drained
1 bag tortilla chips
shredded cheese
sour cream

Dice chicken breasts into 1 inch cubes. Add chicken, garlic, cumin, chili powder, chicken broth, salsa, corn, and black beans into crock pot. Cook on high 3-4 hours or on low 5-7 hours. To serve, put a few chips in each bowl and then ladle soup into bowl. Sprinkle on remaining sour cream, cheese and tortilla strips (if desired).