Please see below screenshots. Need help on the one highlighted in red.

Presented below are selected transactions of Skysong Restaurant for the month ending August 31, 2025. a. Skysong sells 86 gift cards at $70 per gift card and 52 of the gift cards are redeemed by year end. It is estimated that 10 of the gift cards will not be redeemed. b. Skysong accepted a reservation for its private dining room for a rehearsal dinner in September. It received a security deposit of $300, which will be returned after the dinner is held