Identify the error in apostrophe use: Pat's friend just called to ask if Tom's brother will be at Richards' birthday party.

(1 point)
Responses

Pat's
Pat's

Tom's
Tom's

Richards'
Richards'

no error

Richards' - The apostrophe is incorrectly placed after the s in Richards. It should be before the s to indicate that the birthday party belongs to Richard. The correct form should be Richard's.