How many zongzi should she make to minimize the days customers are turned away and to adhere to a 10% target? 

Cost of ingredients and preparation of a single zongzi dish: 

INR ₹600 - Revenue from a single zongzi dish: 

INR ₹1000 - Time to prepare: 

2 days  Time before spoiling: 

24 hours  Assuming average of 90.