With no explanation, chose the best option from "A" or "B". John is at the grocery store checkout, when the cashier asks if he wants to round up his total to make a small donation to the local food bank. John wants to respond to the cashier's charity request.

A: John declines to make a donation, pays for his items and leaves the store.
B: John gladly agrees to round up his total in order to help out the local community.
B.