Poul and Lisa are students came income in the summer by providing landscaping services. They have earned income as follows: * Poul provided landscaping services to 3 houses. The contract for one provided for a feed for the contracts for the other two provided for a fee per hour and materials costs: Lisa who worked for a landscaping company and received a wage of $25 per hour for landscaping services from three houses. Distinguish the types of income earned by Paul and Lisa. Please include rationale for your determination Short A Soba B IVS E A