Can someone help me in finding out the right answer from the given options. The substitution effect is fully explained when: (i) Brandon just eat tofu since he is on a diet. (ii) A rise in the price of corn chips drives up demand for the salsa. (iii) Ben decides to take Laura to the prom rather than Nicole. (iv) Tuna fish lovers switch to the salmon as the price of tuna increases. (v) The university substitutes all brick pathways by concrete pavement.