Simplify the following text for a Grade 7 native English-speaking person.
Original: The Surprize , Neptune and Scarborough were contracted from the firm `` Camden , Calvert & King '' who undertook to transport , clothe and feed the convicts for a flat fee of Â # 17 7s .
Simplified: The Surprize , Neptune and Scarborough were sent by the firm `` Camden , Calvert & King '' . They had agreed to transport , clothe and feed the convicts for a fee of Â # 17 7s .