I've had my salary raised twice since I saw you, and I get a commission, too

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#1

'“I’ve had my salary raised twice since I saw you, and I get a commission, too. I’ve bought a neat slice of real estate.
Next year, the firm is going to sell me some shares of stock. Oh, I’m in on the line of General Prosperity.”
(a) Who is the speaker here?
(b) What does it show about the speaker?
© What does he mean by ‘General Prosperity’?


#2

(a) John A Pescud is the speaker of the above lines.
(b) It shows that John was doing well in his job and he was a hard working and honest man.
© ‘General Prosperity’ means doing well.