What is the most logical next event?

How to have a cupcake baking competition at your house
Plan the competition.
Decide on the rules, the day it'll start, who you want to participate, the time the competition will take place on, and (optional) the prizes.
Send out invitations.

Choose your answer from: (a). Word will spread around the neighborhood as guests arrive. If you give winners the green light, that's great.. (b). The invitations should contain a request for donations and offer one-or two-person prizes. You can also consider invitations sent to interested parties.. (c). Write up a prize (e.g., a box of cupcakes for easy food delivery), in your house. Or you can post it online on your walls or next to your door.. (d). You'll want to send out invitations at least 1-2 weeks in advance. You can also post fliers asking for competitors..
(d).