Suppose that for Jaleel, the coefficient of cross elasticity of demand between sushi and pizza is -2.4, and for Kelko, the cross elasticity Is -0.4. Based on this information we can conclude that O sushl and pizza are complements for Jaleel and complements for Keiko. O sushi and pizza are substitutes for Jaleel and complements for Keiko. sushi and pizza are unrelated for both Jaleel and Keiko. sushi and pizza are substitutes for both Jaleel and Keiko