Answer:
The comma after "Seriously" is unnecessary.
Explanation:
The fact that he was sarcastic suggests that the comma after "Seriously" is not necessary and takes away the sarcasm of the statement as opposed to "Seriously though, he's doing a grand job!".
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Here are the answers to the question:
<span>Lady Bracknell says her maid is trustworthy but has to bribe her to get help. "trustworthy maid, but whose confidence I purchased by a coin"
</span>Gwendolen's father appears to be an unhappy man.
Lady Bracknell does not approve of Gwendolen dating Jack.
Hope my answers have helped you.