Kenny starts up eSouthPark, an Internet service, and leases office space in a building owned by Cartman. The lease requires Kenny to pay Cartman a base rental of $1,250, plus 10 percent of eSouthParks' profits, each month. The term is two years. Kenny hires Stan to work at eSouthParks' the support desk at an hourly wage of $12.50, plus a commission of 10 percent of the profits. The term is also two years. Kenny and Stan are?