I read this recently but had different questions...b.)
Answer: I plan to invite: Maya, Randi, and Asher to my birthday party.
Explanation:
They are capitalized punctuated correctly.
In general B is correct. For example, you would use this if you are asking Mayor Cortez to add a speed limit sign on your street.
If you are writing a social business letter e.g inviting Mayor Cortez to your house for tea, you may use C.
Answer:
the inputs that are used to create things or help you provide services