Current Attempt in Progress

Presented below are selected transactions of Swifty Restaurant for the month ending August $31,2025.$

a$.$ Swifty sells $86$ gift cards at $$72$ per gift card and $51$ of the gift cards are redeemed by year end. It is estimated that $10$ of the gift cards will not be redeemed. $$300,$ which will be returned after the dinner is held.