Economics cs foundation question

Dimple (.) (252 Points)

05 April 2013  

Please give me correct answer with reason:

 

Which among the following is incorrect

The realtive decrease in prices of fruits causes

(a) Deamand of fruits to increase

(b) Demand of sweets to increase

(c) No change in demand for potatoes

(d) The demand for substitutes goods to fruits would decrease