1. Swiggy offers a subscription deal where they provide unlimited free deliveries for Rs.79 valid for 1 month and Rs.179 valid for 3 months. Assume there are two friends, X and Y who take the 1 month deal on January 1, 2020. Both pay Rs.79 upfront. During the month X orders three meals of values Rs.1000, Rs. 250 and Rs. 2500 respectively. Y has ordered 10 meals of Rs.300 each over the month. Assume Swiggy incurs a cost of Rs.10 per delivery. At what point(s) and how much should Swiggy recognize the subscription revenues received from the two friends? What will be the cost of sales that Swiggy will recognize on its books and when? Explain your decision clearly.